#Coenobita

[happycrabitat]

Isopod check!

[screechingjellyfishnight]

Sunny came home today! He’s being kept in a PPDS tank currently! His favorite food so far is eggs with sage and garlic! His brother Thor is also being kept in his own separate PPDS method tank! They are my largest hermits so far!

[dogwise]

thinking about all the terrestrial hermit crabs in eastern asia that I’ll never get to see in person due to importing laws 🥺😭

[garfield118]

(via Japanese Blueberry Hermit Crab (Coenobita Purpureus) for Sale | My Home Nature)

[ichbineinkriechend]

found a cool bug! not pictured: me crawling around on the floor for 10 minutes, trying to pick it up to get it away from the middle of the path so nobody would step on it

[ID: Three pictures of a small beetle sitting on a hand. The beetle has tiny feathered antennae and is half shiny dark-green and half brown. It might be a Mönchs-Kotkäfer (Onthophagus coenobita).]

[official-crab-posts]

for the purposes of this blog do hermit crabs count as crabs?? because if so. Coenobita Purpureus, the Okinawan blueberry hermit crab

my profile picture is a hermit crab so i would sure hope they count lol (i also establish rules about what i count as a crab in my pinned post if anyone hasnt read that)

the okinawan blueberry hermit crab!! what a delightful friend. i will share a blueberry pie with them.

look at them. do they not deserve a delicious blueberry pie.

[lewdcookies]

Captain Tarriel Eleonora Corvinius' trophies from a hunting expedition on Ranur Major that was being attacked by a minor hive fleet designated Coenobita by the Magos Biologis accompanying her. The head of Carnifex was presented to her by Uraess, her sslyth bodyguard. It is rumored that she later rewarded him handsomely for it. It is also rumoured that the expedition had other motivations as well, something about gathering fresh biological matter for various, possibly proscribed, genetical experiments conducted onboard the Captain's ship. The planet, and the Ranur system itself, was later spared annihilation by the combined efforts of Navy, Guard and Space Marine forces.

***

A gift for a @norkoartstuff and his Rogue Trader OC that took far longer to do than I had perhaps anticipated.

The shields were probably the biggest hassle. It took me more times than I would like to admit to get those just right, and even then the one for the warrior didn't end up being the shape I had originally intended for it. If I were to make more of them I'd probably just get them printed and painted faux wood instead. Would saved me a lot of grief for sure. Or befriend someone with the proper tools than just a figure saw and some sandpaper.

In contrast the painting went off without a hitch, following the Blue Coconut Crab paint scheme video. Mainly because I had the paints for it. Even if I did end up buying some synthetic brushes for it, also never really did get the correct paint consistency down so they got a bit uneven. I think I did mess up the washa little, both in terms of application and mixing. One thing is for sure, I would not do this scheme for a complete army. That'd drive me bonkers. Even if I still have some bug juice wash left over.

[zenitsuinamogus]

Fishuary Day #09 & #10 - Manta Ray and Hermit Crab! I know I'm a little behind on the daily prompts but I plan to keep going! The Hermit Crab is based on a species named the Coenobita Lila, my version came out a bit too bright but they have very nice purple-pink coloring and are very cute

Thanks to @fish-daily for the prompts! 𓆝 𓆟 𓆞 𓆝 𓆟

[crevicedwelling]

You've talked a bit about your favorite centipedes and arachnids, do you have a favorite millipede? I get super tiny ones in my apartment in the PNW and they're always my favorite bugs to see.

I don't pick favorites, so here are some pretty millipedes from Earth

[happycrabitat]

A peek into our hermit crab kitchen!

happycrabitat.etsy.com

[crabstreet]

What is a hermit crab?

What is a hermit crab?

A hermit crab is a decapod crustacean. The land hermit crab belongs to the family Coenobitidae which consists of two species: Birgus latro and Coenobita. The term decapod means 10 legs. Only 3 pairs of appendages are visible when the hermit crab is in the shell. The smaller appendages are used to hold the shell and for grooming. Ready to learn more? Section One of The Complete Guide to Land…

[screechingjellyfishnight]

I argued with someone for like an hour straight about hermit crabs being native to the US (if you don’t know, Coenobita Clypeatus and Coenobita Compressus are both native to the United States and other countries we share land and water with!) and they tried to say that Coconut crabs have been released in Florida, which doesn’t make sense, because only one person in the United States to my knowledge has successfully kept coconut crabs and he works for a research facility! Coconut crabs are not ever kept as pets! They may be the largest species of terrestrial hermit crab (long story, when they’re babies they carry shells but once they leave the water they no longer need them) but they require much more specialized care compared to Coenobita Clypeatus and the other Coenobita species! The size difference between a basic Coenobita Clypeatus and Birgus Latro alone would show significant differences in care and cost! You can keep two Purple Pinchers (the most common hermit crab to have as a pet in the United States) in a 20 gallon aquarium. I don’t know how you would keep a 3 foot mega crab.

[the-chessboard-is-personal]

Hermit drawing suggestion: Coenobita rugosus

that's a type of hermit crab isn't it

[aquariuminfobureau]

Although land crabs regularly appear in the exotic pet trade, there is not much care information around for these species, excepting the most widely traded of the land hermit crabs, Coenobita clypeatus. For a while much confusion surrounded the rainbow crab of West Africa, Cardisoma armatum, and the moon crabs of the grnus Gecarcinus, which are imported from the opposite side of the Atlantic. I had myself thought the moon crabs, traded at a smaller size than the rainbow crabs, were a growth stage of that species. The similarities were not merely superficial, because both genera are members of Gecarcinidae, a major clade of land dwelling crabs. At least two species of Gecarcinus were turning up, these being G. lateralis and G. quadratus.

A well studied species, G. lateralis might be thought of as the ordinary moon crab, and most of my scientific information pertains from descriptions of this species, which is also called the Bermuda land crab and the black-back land crab, as well as some other names. Whatever it is being called, G. lateralis is present in coastal environments, where it lives above the tide mark, including where there is no standing water. Reportedly G. lateralis can grow to attain a carapace as long as 10 to even 12 centimeters, or 4 to almost 5 inches, and a legspan that is 15 centimeters or 6 inches. If such specimens exist then they are rare. A study of the burrowing behavior of this species in forest habitat, did not indicate any of such large crabs, their carapaces measuring closer to 5 centimeters or 2 inches when mature. However in a related species, G. ruricola, large males and slightly smaller females are demonstrated to possess carapaces about 9 centimeters wide, whilst 5 or 6 centimeters would be a more common carapace width.

The related species G. quadratus also has many names, but the Halloween (moon or land) crab is by far the most widely encountered, at least in the exotic pet trade. It may also be encountered with the labelling of harlequin land crab, among others. These two names do not seem to be in use when referring to any other Gecarcinus species, all of which may for example be referred to as red land crabs or moon crabs - labels shared with land crabs from other gecarcinid genera. G. quadratus is a native of the coastal rainforests of Mexico and the Panamanian land bridge, that attaches North to South America. This species has a carapace length of about 5 centimeters or 2 inches. I do not have a clue as to how variable in size this species of Gecarcinus is. Although it is clear that mature members of species in Gecarcinus, may show size variation.

Although Gecarcinus sp. larvae are dependent upon saltwater for their survival, the adult crabs have no such requirement. Although they might be found on beaches and in estuarine environments, adult G. lateralis died at salinities of 30 and 35 ppt, whereas they flourished in freshwater, and at lower salinities of 15 and 20 ppt. I do not have information about the salinity tolerance of G. quadratus, but adults belonging to both species do perfectly fine with access only to fresh water. These crabs are obligate air breathers and no not, in fact, require an aquaterrarium, provided their substrate is damp, or they have access to shallow water in a bowl or dish. This is because these crabs take up water using their abdomens. G. lateralis is also known to ingest damp sand for its moisture content.

Both G. lateralis and G. quadratus are present in environments where the substrate allows for burrowing behavior, and there is plenty leaf litter. Conspecific crabs are present in vast numbers, might share an environment, and this might be thought apt for these species the aquaterrarium, considering their herding habits in the wild. Nonetheless, each of these crabs will need space to avoid the behavioral incidents arising from overstocking. Cohabiting crabs would also need a complex environment, which they can use to avoid confrontations among their kind when necessary, not least if they are molting, because the presence of conspecifics reduces the survival of molting crabs. These crabs molt inside their own burrows for protection during this vulnerable, temporary time. Although this genus has strong herbivorous leanings, the older crabs are known to kill their juvenile conspecifics for food, especially when they are under nutrient stress

Gecarcinus are classed among the herbivorous crabs, and they do possess the abilities to digest cellulose, and consume fibrous plant materials. However their herbivory is not total, and foods of animal origins are accepted. Their diets are 80% vegetarian whereas it is only 10% of arthropod origins, and they can consume both green and brown (dead) plant matter. Although they prefer to eat fresh plant material, the wild crabs might consume more leaf litter. G. lateralis is a significant consumer of seeds, fruits, and propagules, avoiding vegetable foods with strong alkaloid defences. There is reason to believe genus Gecarcinus consume a broader spectrum of foods in the dry season, including fruits and carrion. Cannibalism in these crabs increases when access to nitrogen is decreased.

Gecarcinus sp. are burrowing crabs, and they use their burrows to shelter in less hospitable seasons, plugging their burrow and storing leaves as their food supply, when the temperature drops and the air humidity decreases. This behavior assists them avoiding water loss in the dry season. For this reason the air temperatures in the vivarium housing Gecarcinus sp. should not drop as low as 15-18 degrees centigrade, unless one wishes to stimulate such behaviors, by simulating a Caribbean dry season. The crabs seem to use decreasing air temperature as their cue for this behavior, but are triggered to resume behavioral normalcy by increased rains and the return of higher air humidity.

These crabs in the vivarium require a dump substrate and a high air humidity of over 80%, based on the humidity inside crab burrows. The diurnal air temperature range, on a similar basis, should be closer to 28 degrees than to 20 degrees centigrade. People report success when keeping this species at 26 or 27 degrees by day. I have read that this temperature must not be allowed to fluctuate, but in the wild the air temperature in their habitats does drop a little by night, and Gecarcinus are night as well as day active foragers. If the environment makes them unhappy they will retreat into the microhabitats of their burrows. Although not necessary, these air breathing land crabs are easily accommodated in a paludarium, with a large land portion simulating a tropical forest floor.

The water portion of an aquaterrarium assists in maintaining a high air humidity, but these crabs do need to safely leave the water should they walk or fall in. For this reason any water area should be of a shallow depth, and the substrate ought to slope out of the water. As with all humid vivaria, it is also important that there is sufficient ventilation. Although the air should have a high moisture content, it does not follow that it be stagnant. I have not heard reports of Gecarcinus sp. being mixed with other species of land or water animals. However, gecarcinid crabs are strongly inclined to eat live plants, and destroy planted landscapes.

Gecarcinus are primarily feeders on edible fruits and vegetables, that will also accept proprietary defrosted and dry foods intended for aquarium fishes. Although they are predominantly vegetarians, Gecarcinus diets in the aquaterrarium should also include some animal proteins, to reflect their natural consumption of arthropod material, but they will also consume soybean based foods that offer a similar boost of nutrients. The opportunistic consumption of animal matter is a well known phenomenon in terrestrial crabs with herbivorous specializations.

[petnews2day]

COENOBITA BREVIMANUS / KUMANG | Si Probinsyana TV

New Post has been published on https://petn.ws/iCTQe

COENOBITA BREVIMANUS / KUMANG | Si Probinsyana TV

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[entomoblog]

Les bernard-l’ermite déménagent dans des déchets plastiques… et intriguent les scientifiques

See on Scoop.it - EntomoNews

Après Plastic Bertrand, Plastic Bernard ? Les bernard-l’ermite élisent normalement domicile dans des coquilles vides, mais optent de plus en plus souvent pour des déchets plastiques.

  Publié: 20 février 2024, 15:42 CET

Mark Briffa

  Les bernard-l’ermite terrestres utilisent des bouchons de bouteille, des morceaux d’ampoules électriques ou même de bouteilles en verre cassées à la place des coquilles.

  C’est ce que montre une récente étude menée par des chercheurs polonais, qui ont étudié 386 images de bernard-l’ermite occupant ces coquilles artificielles. Les photos ont été analysées par ces scientifiques grâce à une approche connue sous le nom de « iEcology », ou écologie Internet, qui se base sur des photographies collectées à d’autres fins que des fins de recherche. Sur les 386 photos, la grande majorité (326 cas) montrait des bernard-l’ermite utilisant des objets en plastique comme abri.

  À première vue, il s’agit d’un exemple révélateur de la façon dont les activités humaines peuvent modifier le comportement des animaux sauvages, et même la façon dont les populations et les écosystèmes interagissent en conséquence. Mais de nombreux facteurs entrent en jeu et, bien qu’il soit facile de tirer des conclusions hâtives, il est important de s’interroger sur les causes exactes de ce changement particulier."

(...)

  -------

NDÉ

L'étude

  The plastic homes of hermit crabs in the Anthropocene - Science of The Total Environment, 06.01.2024 https://www.sciencedirect.com/science/article/pii/S0048969723075885#f0005

  [Image] Coenobita purpureus with artificial shells: (A) plastic cap, (B) bulb fragment, (C) metal cap with a glass bottle fragment.

Photographs: courtesy of Shawn Miller.