01 de junho de 2022

Final Manager Interview and on the 6th Anniversary of this Project-- 1,839 Species!

Greetings to all 699 members of Crabs of the World! Thanks for increasing our new total of 1,839 species, 17 more than two months ago! In this 6th Anniversary post, we have an interview with the last of our five project managers, @sea-kangaroo, a naturalist and international scuba diver. Then links to a spectacular crab that’s new to iNaturalist, plus a focus on three amazing crabs that aren't new.

Q: How did you first become interested in crabs? 

A: I've always been a general nature enthusiast, and the first crabs that caught my attention as a kid were the Coconut Crabs in a picture book, with their impressive size and strength; and the little blue-eyed Calcinus hermit crabs in tidepools in Hawai'i, which are abundant, brightly-colored, and bold enough that they'd go about their normal crab business even with me right there, watching and handling them. Later I read about the amazing spawning aggregations of horseshoe crabs and Christmas Island Red Crabs and really wanted to go see for myself. I eventually was able to and they were as wonderful as I'd imagined. Overall I like crabs' diversity of color, shape, and niche; their sometimes-pugnacious personalities; and that there are so many places where I can see them.

Q: Do you have any favorite crab species? 

A: I particularly like the land crabs (Gecarcinidae). They're big and colorful, and since they're less tied to water than other crabs, can be found in all kinds of weird places. Christmas Island is of course ruled by this family and the public restrooms on the migration path often had crabs in them being funny: https://www.inaturalist.org/observations/47328 (or https://www.inaturalist.org/observations/47330) I also really like Kona Crabs, which are really strangely-shaped and look like mammals when they're running away over the sand, and Australian soldier crabs, which at low tides cover the sand flats in such numbers it looks like the ground is moving. From a jetty once I got a front-row seat to see epic drama of soldier crabs vs. toadfish: https://www.inaturalist.org/observations/15726779

Q: Do you have a memory of a special encounter with a crab while scuba diving?

A: I don't really have a particular big memory, just lots of little ones. The thing I love about scuba diving as opposed to freediving is that I'm not limited by my lung capacity, so I can hang out in one spot for a while and see what little critters or behaviors emerge. A sponge or piece of seaweed that turns out to be a camouflaged decorator crab, holes in coral heads that are full of coral hermit crabs waving their ferny antennae, baby Sea Cucumber Crabs climbing around in their host cucumber's oral tentacles, etc.

Q: Any crabs you'd particularly like to see that you haven't yet? 

A: Geosesarma malayanum, a land crab often found in Nepenthes ampullaria pitcher plants, stealing prey from the pitchers! And I'd like to actually get photos and a decent look at a Kona Crab, which are very quick to run away and bury themselves.

Now... a crab that’s new to iNaturalist:
A Hoplophrys oatesii @rafi1 in Bali:

These crabs aren’t new, but worthy of note:

  1. A Gecarcinus ruricola (Black Land Crab) by @djscho in Saba, Eastern Caribbean:

  2. A beautifully adorned Hyastenus (Kelp Crab) by @dama in Hawaii:

  3. A spectacular Dorippe frascone (Urchin Carrier Crab) photographed by @tantsusoo in Indonesia:
    inspired me to look at other observations of this amazing crab, first these in Indonesia:
    by @davidr:
    by @zahnerphoto:
    by @craigjhowe:
    and by @maractwin:
    plus one by @franca2020 in The Philippines:

If you read this far, a quick reminder to please add your crab observations to the project, as they are not automatically added. Thanks!

Publicado em 01 de junho de 2022, 06:03 PM por wendy5 wendy5 | 0 comentários | Deixar um comentário

22 de março de 2022

Fourth Manager Interview and now 1,822 crab species!

Greetings to all 687 members of Crabs of the World! Thanks for increasing our new total of 1,822 species, 43 more than two months ago! In this post we have an interview with another of our managers, @wernerdegier, Dr. Werner de Gier from Naturalis Biodiversity Center, Leiden, NL and Rijksuniversiteit Groningen, Groningen, NL. Then links to some spectacular crabs that are new to iNaturalist, plus two special sightings that aren't new.

Q: How did you first become interested in crabs?

A: I became interested in crabs, and crustaceans in general, in my first year of university - in the same course I'm currently supervising for the upcoming generation of biologists. In this course, we had to draw the entire body of a typical North Sea crab (the Shore crab, Carcinus maenas). I found that my interest now comes from the different niches crabs have evolved into, there's such a wide diversity of shapes, colors, and sizes!

Q: Are you currently involved in research or studies about crabs?

A: I started working with crabs in my last year of university, which was 2018! For a research project for my Biology Master, I was travelling to Curacao, in the lesser Antilles (Caribbean), where I tried to figure out what shame-faced (box) crabs from the genus Calappa feed on in the wild. In the literature, co-evolution is mentioned between right-handed calappids and right-coiled marine snails, however, we found the DNA of many more prey items in the stomachs of the calappid crabs. Later, in my PhD, one of my interests was directed to the obscure family of the Pinnotheridae, or pea crabs. Pea crabs (mainly) live inside different hosts, like mussels and oysters, but their host-range is much bigger. I now try to figure out what type of adaptations pea crabs (and also symbiotic shrimp!) have evolved to live in these different hosts.

Q: Do you have any favorite crab species? 

A: This feels like choosing between your kids! I think, that even with my head in the pea crab literature, I still will choose shame-faced crabs. I do recommend looking into pea crab morphology; we highlight a few weirdos in our paper: De Gier & Becker, 2020 - like Xanthasia, Durckheimia and Serenotheres. For now, I choose "my" calappid species, Calappa ocellata, the ocellated box crab: www.inaturalist.org/observations/10409840

Q: Where do you go to find crabs?

A: If I go to the tropics, I always check if I can do some tidepooling there, since I cannot dive, sadly! Here in the Netherlands, my boyfriend and I always go to one spot, The Jacobahaven in Zeeland. We have found even some interesting species previously not seen in this region!

Q: Anything else? 

A: I would love to inspire more people to "be an expert" in their group of choosing. Try finding taxonomic literature, and go compare that to the photos on iNaturalist. Using Worms (https://www.marinespecies.org/) and the CrabDataBase (https://www.crabdatabase.info/en), try to find a digestible clade that can be identified using field-pics, and go ahead and discover new distribution-, host- and species-records!

Now some crabs that are new to iNaturalist:
Four of the many spectacular new crabs by @ondrej-radosta in The Philippines:
A Pseudolambrus harp (an Elbow Crab)
A Lophozozymus bertonciniae (a Round Crab)
An Acanthodromia margarita (a Podotrematan Crab)
A Cyrtomaia largo (A Spider/Decorator Crab)

Two new crabs by @craigjhowe in Honduras:
A few Coryrhynchus sidneyi (Shortfinger Neck Crabs)
A fascinating spider crab, with an ID to genus Podochela (of which none are identified to species on iNaturalist):

A few Thia scutellata (Thumbnail Crab) by @crabbymaxie in the Netherlands:

A Paguristes sinensis (Left-handed Hermit Crab) by @yeungs in Hong Kong:

A Pachycheles biocellatus (a Porcelain Crab) by @cristianmgv19 in Mexico:

Two new crabs by @dennisthediver in the Canary Islands, Spain:
An Ilia spinosa (a Purse Crab):
A Paragalene longicrura:
and please check out another by @dennisthediver, the cutest little Pilumnus villosissimus:

This crab isn’t new, but worthy of note:
One of very few identifiable juvenile Dardanus scutellatus (Blue-eyed Hermit Crab) observations on iNat., ID by @grahammcmartin and observation by @shelomi in Fiji:

If you read this far, a quick reminder to please add your crab observations to the project, as they are not automatically added. Thanks!

Publicado em 22 de março de 2022, 06:57 PM por wendy5 wendy5 | 3 comentários | Deixar um comentário

15 de janeiro de 2022

A new year, a new interview, and a few new crabs!

Happy New Year to all 675 members of Crabs of the World! We now have 1,779 species, heading to the goal of 2,000. In this post, we have the third in a series of interviews with this project’s Managers. Then you see a few links to three new crab species, and then five observations I couldn’t resist sharing. This interview is with @mikegigliotti, a marine invertebrate biologist working on his PhD. Mike has made over 21,000 identifications on iNaturalist!

Q: How did you first become interested in crabs?
A: I first became interested in crabs when I was about 8 or 9 years old. My family took annual trips to Boston Red Sox games with free tickets from a family friend. After a couple of years of baseball games, we planned a week-long vacation starting in Hampton Beach, New Hampshire. The friend with tickets took the kids down to the shore to turn over rocks and look at marine life. I was the youngest to go, but by far the most enthusiastic. I had never seen most of these creatures in the wild before, and the most charismatic ones by far were the crabs scurrying out of the way as we poked around. I became so fascinated with them, I never looked back!

Q: How are you currently involved in research / studies about crabs?
A: I'm currently a Ph.D. student at Florida Tech, and all my research involves the survivorship, stress, and biogeography of west-Atlantic crab species, while trying to predict their status at the end of the century in response to climate change. In the summers of 2019 and 2020, I did all of my specimen-driven research at Mote Marine Laboratory on stone crabs and mud crabs.

Q: Do you have any favorite crab species?
A: I think I'll have to default to nostalgia and say that my favorite species are the Atlantic rock crab (Cancer irroratus) and the Jonah crab (Cancer borealis) because they are the largest ones I could catch at Hampton Beach, NH, and species that I continued to catch every year. I would take these two species (plus the two invasive species also found in the shallows there, the European green crab and the Asian shore crab) and teach people who would pass by the makeshift tank I set up on the beach. But honestly, the more I look at my list of crabs that I've seen and/or caught in person, the longer I want the list to be! So I'll leave it just two species long.

Q: Where do you go to find crabs?
A: My family stopped taking our yearly trips to Hampton Beach a few years ago, and all my crab catches since have been in Florida. I've found them right offshore on Siesta Key Beach, crawling around the trees and roots in marshes on any Florida coast, or in slightly deeper water while snorkeling in 25-30 feet of water. Virtually every marine environment has crabs to find, including dry land!

Q: What crab in the world do you most want to see?
A: The list of crabs on my bucket list is practically never-ending, but toward the top are some of the land crabs with the seemingly neon coloration. Parasesarma indiarum is a prime example of this, a crab I've dreamed about traveling to see since I first found out about it, and the same goes for any members of Geosesarma, the vampire crabs. Of course, there are still many species in this Western Hemisphere that I hope to track down someday, including Callinectes bocourti, the red cousin of the Atlantic blue crab, Callinectes sapidus.

some crabs that are new to iNaturalist:

  1. A strange but tiny Elamena vesca by @jeanro in New Caledonia, IDed by @mazancourt:

  2. An amazing new genus of hermit crab, Trizocheles, found in Indonesia by @danvaughan and IDed by @drmattnimbs:

  3. A Clibanarius rhabdodactylus (a Left-handed Hermit Crab) that needs confirmation by @subhajit_roy in India:

These crabs are not new, but worthy of note:

  1. A stunning Paractaea monodi (a Round Crab) by @dennisthediver in the Canary Islands:

  2. An unusual crab— that doesn’t look like one— without its long legs, by @federico_latini in Italy:

  3. A spectacular Goniosupradens erythrodactylus (Rainbow Swimming Crab) by @thiebaud in Hawaii:

  4. An “ecology jackpot” that includes a Pagurus beringanus (Bering Hermit Crab) by @mckittre in Alaska:

  5. An especially beautiful Phyllolithodes papillosus (Heart Crab) by @kljinsitka, also in Alaska:

If you read this far, a quick reminder to please add your crab observations to the project, as they are not automatically added. Thanks!

Publicado em 15 de janeiro de 2022, 04:53 AM por wendy5 wendy5 | 0 comentários | Deixar um comentário

23 de outubro de 2021

Manager Interview #2

Greetings to all 656 members of Crabs of the World! Thank you, as always, for adding your crab observations to this project, as they are not added automatically. We now have 1,761 species, closing in on my goal of 2,000. In this post, we have the second in a series of interviews with this project’s Managers. Then there are some links to four new crab species and two special hermit crab observations.

This interview is with the amazing crab expert @ondrej-radosta in the Czech Republic.

How did you first become interested in crabs?
I believe that when you are young, the fascination for nature is natural. Discovering all the beauties around is your main daily business. As a guy who was surrounded by mountains, when I was about six, I visited the shore for the first time. I was automatically fascinated by sea life, like with nothing else before. As a boy, playing with dinosaurs, I believe I had a closer relationship to crabs immediately, because they look like living fossils. Then puberty happened and my main focus was on girls and playing my guitar. :) But when I started to travel again, I found out that the world of crabs is richer than I ever imagined. My interest for them became deeper and deeper, and they never stopped fascinating and surprising me!

Are you currently involved in research or studies about crabs?
Not at the moment. I put my full attention to my crab encyclopedia project https://www.crabdatabase.info/en Traveling, photographing, editing and constantly keeping the information and identifications current and valid, is never-ending work. Also I constantly contribute to many books or studies about crabs, and help with identifications in my "Crustacean Identification Group" on Facebook on a daily basis. That keeps me busy almost every day :)

Tell us about your crab museum.
Well it started as a taxidermy project for Czech University of Life Sciences Prague with local crayfishes and for that I had to learn the best ways to preserve crustaceans, with a focus on coloration as well. Then I started to add European brachyurans, then other species... and you know how it goes. When you start something you enjoy, it quickly becomes an obsession. Or kind of :) My other preserved crabs went to Palacký University, Faculty of Science, where there is now a nice sea life exposition. But one day I would like to have one "real" crab museum, one place where it would be all dedicated only to crabs. But who knows if there will be the space, time, and money for such a project. Maybe my son will continue with the idea.

Do you have any favorite crab species?
There are a lot of them :) It would be more accurate to tell the favorite crab families, like Parthenopidae, Aethridae, or Leucosiidae and Calappidae... Because the list of the most favorite species would be very long :) But if I would have to mention a few, it would be definitely Daldorfia triangularisEtisus labouteiPhyllolithodes papillosusLissa chiragra, Aethra seychellensis, Dairoides kusei, Platymaia remifera, Garthambrus stellatus, Matuta purnama... and so, so many others, often even not described yet :)

Where do you go to find crabs? How do you look for them-- scuba diving, looking into tide pools, walking the beaches?
All kinds of ways. When we are on an expedition, we have our own tangle nets. When I travel on my own, I just visit the fishermen’s villages early in the morning, or go with them on the sea at night. Especially in Asia. The number of species they have in the nets as bycatch is enormous and it is usually enough to visit them just twice and I have enough work for the rest of the week, by identifying them and making photos. If there is not such an option, I wait for full moon low tides and go with a flashlight at night... Crabs are night creatures. What you can see on the beach during the day is just the tip of an iceberg :)

Is there a crab you want to see that you have never seen?
Again, the list would be endless :-) For example Lopholithodes mandtii, Garthambrus mironovi, Sculptolithodes derjugini, Sakaila wanawana, Daldorfia spinossisima, Lophozozymus cristatus, Dairoides seafdeci... But in general a lot of species which live in countries, where it is complicated to travel, due to political situations or other dangers... (or cold weather haha, I hate winter :)

Anything else?
Last two years I was locked in my country due to the pandemic, so I miss the ocean a lot! But the time spent at home gave me a space to finish many open “projects," dig deeper in old photos, unfinished cases, finalize some identifications or provide photos and necessary information for starting new papers on new species... But I hope to visit France this fall, as the pandemic situation in the world also gave me an opportunity to finally record European species for my Encyclopedia as well, which I always postponed. Since it was easy to travel the whole world, the old continent wasn't so interesting for me. But now is the time to make it right and cover this as well :)

Two new crabs by @tantsusoo in Singapore that need confirmation to be Research Grade:
An Actaeodes mutates (a Round Crab)
and a Dromidiopsis edwardsi (a Sponge Crab)

A gorgeous striped Liopetrolisthes mitra (a Porcelain Crab) brought to my attention by @leomondacal in Chile:

A Sudanonautes aubryi (African Freshwater Crab) from 2014 by @rob_palmer in Cameroon:

A couple of wonderful hermit crabs:
A Dardanus lagopodes (Hairy Red Hermit Crab) by @budak in Singapore:

A Dardanus sanguinolentus by @bug_girl in Indonesia, brought to my attention by @grahammcmartin:

Publicado em 23 de outubro de 2021, 06:01 PM por wendy5 wendy5 | 2 comentários | Deixar um comentário

12 de setembro de 2021

Manager Interview #1

Greetings to all 651 members of Crabs of the World! Thanks to everyone for adding your crab observations to the project. We now have 1752 species!! That's 72 more than just six weeks ago. Please remember to add each observation to the project, as they are not automatically added by iNaturalist.

In this post, we have the first in a series of interviews with this project's Managers. Then there are links to some interesting new crab species, and finally more links to some spectacular observations.

Valentin de Mazancourt is a taxonomist, a Manager of Crabs of the World, and a Curator on iNaturalist.

How did you first become interested in crabs?
For as long as I can remember, I have always been looking around for small critters to observe them. Professionally, I had to decide on a specialization during my studies. I was very interested in insects but also loved the sea, so I thought that crustaceans were just the insects of the sea (technically, it's the other way around, insects are just land crustaceans!) and so I started working with them.

Did you study about crabs at the university?
My zoology professor was particularly interested in crabs and I learned a lot about them with him. Then, for my Master's internship I began to work in the Crustacean collection of the Museum of Natural History of Paris, and learned even more about crabs, especially freshwater species.

Are you currently involved in research or studies about crabs?
Yes, I recently described a new species of freshwater crab that I collected from New Caledonia (Richerius marqueti). I am also working on revising the taxonomy of the Hymenosomatidae of New Caledonia and will soon begin to study another freshwater family, the Varunidae.

Do you have any favorite crab species?
I know they aren't actually crabs, but I love the land hermit crabs (Coenobita), I have several in a terrarium at home (one of them since 2012!) and they are really fun to watch as they interact with each other.

Where do you go to find crabs?
Most of my observations are made walking on beaches, but I occasionally find some while scuba diving. Usually, whether you are on a beach at low tide, walking along a tropical river or diving, your best way to find crabs is to look under rocks, but never forget to put it back as you found it!

Is there a crab you want to see that you have never seen?
I would love to see a wild coconut crab, it's the largest terrestrial arthropod on Earth and they have very interesting behavior.

Here are a few species that are new to our project:

A beautiful Demania baccalipes (a Round Crab) by @rohithsrinivasan in India:

In Japan, @crabspromenade has posted several new crabs, not yet “Research Grade;” maybe you have the expertise to confirm them? Here’s a Geothelphusa marginata (a Eurasian Freshwater Crab):
and Chiromantes ryukyuanum (a Sesarmid Marsh Crab)

Many wonderful new crab species, about 20 (!), were posted by @smithsonian_marinegeo from the Florida Museum of Natural History and University of Hong Kong's Swire Institute of Marine Science in Hong Kong. (Also not yet “Research Grade.”) Here’s a spectacular new Porcelain Crab, a Lissoporcellana spinuligera:
and a stunning Heteropilumnus ciliatus (Heterotremata):

And finally, two fabulous observations from a few years ago, posted recently:

A Dardanus lagopodes (Hairy Red Hermit Crab) with blue (not yellow!) antennae was IDed by @grahammcmartin in Mozambique:

In Tierra del Fuego, Argentina, @argentinasubmarina shows us an assembly of Paralomis granulose (False King Crab):

Please bring any unusual crab observations to my attention to highlight in the next post.

Publicado em 12 de setembro de 2021, 05:46 PM por wendy5 wendy5 | 4 comentários | Deixar um comentário

02 de agosto de 2021

1,680 Crab Species!

Greetings to all 632 members of Crabs of The World! In the past two months we’ve added 51 new crab species for a total of 1,680. Congratulations! Every few months I highlight new species and interesting observations, and about a dozen are below. Beginning with my next post, the Managers of this project will be featured. Interviews will share how they became interested in crabs, what they are currently working on, and what their favorite crabs are. Stay tuned!

A hermit crab by @crabsandshrimps in California:
A Pagurus retrorsimanus:

Two sightings and the ID of a Glyptolithodes cristatipes, the only species in that genus; here’s one by @amutti also in California:

Here’s a new Eurasian Freshwater Crabs by @chekiangense_longpotamon in China; he added several other species new to Crabs of the World. A Longpotamon hanyangense:

A brilliant orange Euryozius bouvieri by @dennisthediver in the Canary Islands, Spain:
and not new, but a great photo by Dennis of a Cryptosoma cristatum (Box Crab) being carried off by a European Common Cuttlefish (iNaturalist’s Observation of the Day):

Here’s a beautiful new purple crab by @smithsonian_marinegeo in Hong Kong from a project between The Florida Museum of Natural History and the University of Hong Kong’s Swire Institute of Marine Science in 2017. Notice the red eyes in this Novactaea pulchella:

Beautiful orange eyes on this Neosarmatium fourmanoiri (Fourmanour’s Mangrove Crab) by @jenssommer01 in Australia:

And beautiful amber eyes on this Lithodes santolla (Southern King Crab) by @argentinasubmarina in Argentina:

Here’s a regional variant of the Dardanus lagopodes (Hairy Red Hermit Crab) by @amanda222 in Thailand:

A video of a very active Pagurixus hectori by @kelvinperrie in New Zealand:

An excellent photo of an Ebalia intermedia (Smooth Nut Crab) by @paul_isotope in Australia:

A truly adorable, tiny baby Cryptolithodes typicus (Butterfly King Crab) by @kljinsitka in Alaska:

A nudibranch pointed the way to an unidentified juvenile King Crab by @thiebaud off Whidbey Island, Washington State:

Publicado em 02 de agosto de 2021, 12:53 AM por wendy5 wendy5 | 3 comentários | Deixar um comentário

27 de maio de 2021

Celebration of the 5th anniversary of Crabs of the World!

Greetings to all 622 members of Crabs of the World, and many thanks to the five crab experts who are Managers of this project! Crabs of the World is now entering its sixth year, and despite the pandemic, you have added over 100 new species in 2021, and we now have 1,629. Every few months I highlight new species and interesting observations.

@ondrej-radosta has added several new crab species and observations. He says his personal favorites are these two from the Philippines:
Etisus laboutei, a beautiful Round Crab, and his favorite species from this family: www.inaturalist.org/observations/78248982
And a striking Elbow Crab, Pseudolambrus hepatoconus (he calls him snowflake):

Two new species found by @vikas2 in India:
An Eucrate indica:
And a Neoxanthias michelae (a Round Crab):

A Clibanbarius englaucus (White Dot-eyed Hermit Crab) by @ucw in Taiwan:

Two new Bivalve Pea Crabs:
A Rathbunixa sayana by @smithsonian_marinegeo in Virginia, USA:
And a colorful Holothuriophilus trapeziformis by @santanadnl in Mexico and identified by @wernerdegier:

@smithsonian_marinegeo has added several new species by at their Indian River Lagoon project in Florida from 2008-2017, and these are my favorites:
A Clypeasterophilus rugatus (a Bivalve Pea Crab): (definitely mention this one- Werner!)
An Achelous gibbesii (Iridescent Swimming Crab):
A gorgeous Petrolisthes caribensis (a Porcelain Crab):
A Mithraculus forceps (Spider Crab / Decorator Crab):

Here are some really interesting additions to Crabs of the World:

The first Callinectes sapidus (Atlantic Blue Crab) found in Northern Europe by @wernerdegier in the Netherlands:

The most spectacular crab in the area where I live, the Salish Sea, which extends from Washington state’s Puget Sound into British Columbia, is the Lopholithodes mandtii (Puget Sound King Crab). Canadian scuba diver @leftcoaster is iNaturalist’s “top observer,” with 29 observations. Here’s one:

Greg Jensen @crabsandshrimps, author of the indispensable “Crabs and Shrimps of the Pacific Coast,” has joined iNaturalist and Crabs of the World and is posting some of his fantastic photos, including this Phyllolithodes papillosus (Heart Crab):

A beautiful photo of the Xenocarcinus depressus (Depressed Spider Crab) by @popaul in Indonesia:

A pair of Cryptolithodes typicus (Butterfly Crab) “holding hands” by @mckittre in Alaska:

A Halimede ochtodes that looks like a sculpture by @budak in Singapore:

Publicado em 27 de maio de 2021, 07:08 PM por wendy5 wendy5 | 2 comentários | Deixar um comentário

07 de abril de 2021

Already in 2021: 77 new species for Crabs of the World!

Greetings to all 602 members of Crabs of the World! Every few months I feature new or unusual crab observations that have been added to our project. This time we have new species recently added by people in Australia and China; then eight gorgeous crab observations around the world; and finally a focus on a one-week diving project in one bay in Hawaii that produced 37 new species for Crabs of the World. This year we have already added 77 more crab species to the project, bringing us to 1,594. Our goal is 2,000!

Here are the new species:

A Fultodromia nodipes by @streglystendec in Australia:

Two Eurasian Freshwater Crabs by @crabsworldwide in Hainan, China—
a Calcipotamon puglabrum:
and a Neotiwaripotamon whiteheadi (needs confirmation):

Here are eight wonderful crabs:

A beautiful Lissoporcellana nakasonei (Soft Coral Porcelain Crab) by @patrickjakiel in the Philippines (needs confirmation):

Another spectacular Pseudoliomera species (Showy Xanthid Crab) by @dama in Hawaii (needs confirmation):

The unusual Ixa cylindrus (Lollipop Crab) by @vikas2 in India:
and also by @mayur_fulmali in India:

A gorgeous Lopholithodes mandtii (Puget Sound King Crab) by @leftcoaster in British Columbia, Canada:

A stunning Atergatis fluorides (Floral Egg Crab) by @budak in Singapore:

Two excellent photos of a Ranina radian (Spanner Crab) by @minivet in Indonesia:

A new record for southern range of the Calappa ocellata (Ocellated Box Crab) by @jeanmartins in Brazil:

And a video that will make you smile of a Metadromia wilsoni (a Sponge Crab) by @kelvinperrie in New Zealand:

And now the project that added 37 new species to Crabs of the World! @smithsonian_marinegeo from The Marine Global Earth Observatory (MarineGEO), directed by the Smithsonian’s Tennenbaum Marine Observatories Network (TMON), is the first long-term, worldwide research program to focus on understanding coastal marine life and its role in maintaining resilient ecosystems around the world. Many of these photos were taken in Kaneohe Bay and edited by the Florida Museum IZ team (who they work closely with) during one week in 2017, their last Biodiversity Assessment. If a depth was recorded, you should be able to find the Depth Range (m) under the Observation Fields of each observation.
Here are four of my favorites:
A phenomenal Liomera rubra (Red Liomera) seen at 15-18 m:
A very fluffy Polydectus cupulifer (Teddy Bear Crab):
an amazing Domecia glabra:
and a stunning Hirsutodynomene spinosa:
The team identified dozens of crabs. But not yet this one:

I hope everyone will continue to add your crabs to Crabs of the World, and alert me if you find something new or want something featured in a future post.


Publicado em 07 de abril de 2021, 05:27 PM por wendy5 wendy5 | 5 comentários | Deixar um comentário

02 de janeiro de 2021

A New Year for Crabs of the World

Happy New Year to all 575 members of Crabs of the World! This is sure to be a much better year for everyone. In just the past three months, we have gained 27 members and 54 new crab species, bringing us to 1,517. Here are some highlights I'd like to share:

The first Actiomera erythra (a Round Crab) for iNaturalist, found today by @tantsusoo in Singapore:

The first two Megalobrachium sinuimanus (a porcelain crab) for iNaturalist were found in Mexico by @jeffgoddard:
and @alboertoalcala:

The first Trizopagurus magnificus (a magnificent speckled hermit crab) was identified by @fabiology in Ecuador:

The first audio recording of a crab, Coenobita clypeatus (Caribbean Land Hermit Crab) for Crabs of the World, by @tracyandacht in Panama:

A very unusual Genus Calvactaea (a Round Crab) by @esarmikkonen in Indonesia:

The rare Placetron wosnesseasnskii (a Scaled Crab) with unusual pincers by @mckittre in Alaska:

A striking, bumpy orange and white crab was found by @seastung in South Africa, and still needs an ID:
and she also photographed a fabulous Dromidia aegibotus (Sumo Crab) in South Africa that still needs confirmation:

If you’ve never considered hugging a crab, this adorable Paguristes pugil may change your mind! By @drmattnimbs in Australia:

If you want to gaze into extraordinary eyes, check out the turquoise and orange eyes of the Myomenippe hardwickii by @budak in Singapore:

A series of excellent photos of Goniosupradens acutifrons (a Swimming Crab) by @kevin-chang in Taiwan:

And please be sure to check out the magnificent crab observations recently added by one of the Managers of Crabs of the World and a crab expert, @ondrej-radosta:
You can see these and more at his online crab encyclopedia:

Publicado em 02 de janeiro de 2021, 12:42 AM por wendy5 wendy5 | 6 comentários | Deixar um comentário

03 de outubro de 2020

October Update

Greetings members of Crabs of the World! Here’s an update with examples of the amazing crab observations some of you have posted in the last two months. We now have 1,463 crab species (an increase of 40) with 548 members. Thanks to all of you for remembering to add your crab observations to this project. Especially during this pandemic and other crises, it’s delightful to take a moment to enjoy crabs all over the world.

First, here are some species new to iNaturalist:

A lovely hermit crab, Diogenes izanamiae, found three times by @yeungs in Hong Kong:

Another hermit crab new to iNaturalist, Pagers alatus, found by @gmucientes near Ireland:

A Bivalve Pea Crab, Pinnaxodes chilensis, found inside a sea urchin (!) by @diegoalmendras in Chile:

Two long-legged crab species:
Discoplax gracilipes now confirmed Research Grade by @muraena_stachyris in The Philippines:
and Discoplax longipes (Long-legged Land Crab) by @ospeleo in a cave (!) in French Polynesia:

And a round crab, Atergatis reticulatus, by @kimcrab in South Korea:

And these are not new, but quite special:

With Halloween this month, wonderful photos of a Vampire Crab (Genus Geosesarma) by @naufalurfi in Indonesia:

An Eriphia gonagra (Redfinger Rubble Crab) that looks like it has eyes and a smile on its carapace by @flaviomendes in Brazil:

A beautiful Perbrinckia scansion (Sri Lanka Tree-climbing Crab), by @pieterprins, and indeed climbing a tree in Sri Lanka:

A spectacular Quadrella coronate (Crowned Coral Crab) from a few years ago by @patrickjakiel in The Philippines:

Also from a few years ago, the stunning Petrolisthes desmarestii by @ulrichzanabria in Peru:

A gorgeous photo of Calcinus elegant (Electric Blue Hermit Crab), by @catalinatong on Christmas Island:

A beautifully ornamented Schizophrys aspera (Ornamental Spider Crab) by @tantsusoo in Singapore:

A gathering of dozens of Munida quadrispina (Munidid Squat Lobsters) by @jackson_chu a few years ago in British Columbia, Canada:

And even more squat lobsters, Pleuroncodes monodon by @ulrichzanabria in Peru:

A video of the lovely Elamena products (Paua Spider Crab) by the top observer of this species @kelvinperrie in New Zealand:

A rather sweet little Liocarcinus holsatus (Flying Crab) by @crabbymaxie in The Netherlands:

Publicado em 03 de outubro de 2020, 03:44 PM por wendy5 wendy5 | 1 comentário | Deixar um comentário