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Crabs

This 10-legged animal walks sideways and is a popular seafood dish. Ask questions and find answers about their diet, habitat, and behavior here.

8,643 Questions
Crabs

Is a crab an invertebrate or a vertebrate?

Crustaceans, including crabs, have no spine so are therefore invertebrates.

It is an invertebrate, in fact it is a crustacean as it has a hard shell and soft inside. Other crustaceans are lobsters.

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Crabs
Hermit Crabs

Do hermit crabs eat pears?

Yes. Hermit crabs eat fruits, veggies, lean (non fatty) not seasoned meats, egg yolk, egg white, egg shell (rich in protein).

Stay AWAY from human foods, such as peanut butter twinkies, and COMMERICAL FOOD, it has harmful preservatives (no matter what it says), and little or no nutrients.

My hermies absolutely LOVE SEA salted nuts, it has to be SEA salted, because table salt sofacates and kills hermies.

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Crabs

Are horseshoe crabs crustaceans?

Nope! They resemble crustaceans but are part of a different sub phylum. They are Cheliceriforms.

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Crabs
Hermit Crabs

Why did your hermit crab lose its legs then die after it molted?

it lost its legs because of stress. maybe you had just gotten it; or maybe the temperature or humidity levels weren't good enough. It died probably because maybe you were handling it while it was molting, or one of the other crabs messed with it. Make sure to move it to an isolation tank with lots of sand, some food and water, when you start to see signs of molting.

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Crabs

Do crabs have brains?

Yes, they do have brains. They can feel pain and remembers it too.

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Crabs
Lobster

Why do lobsters skeletons are outside?

Actually lobsters skeletons are do on the outside in order to fight off natural predators such as the hippopotamus (latin name unknown) whose mouths can open to 150 degree angles. The lobster has a very small mouth only opening to about three millimeters for to use their armored bodies to defend against such voracious attacks.

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Crabs
Hermit Crabs

What are some cool ideas for a hermit crab tank?

mix sand and coconut bedding to get a nice texture and retain moisture. you can put in one of the little igloos for small pets or a coconut house, some driftwood, make sure you have extra shells and a food and water dish and you can have what i think is really neat, is these little mesh bridges that they climb and hang on

A water dish with a cool sponge in it is really awesome. You can get a beach background and maybe you could paint some hermit crab shells. (Plastic) plants or flowers would make it look pretty! The mesh bridges are really cool. And you can put like a big rock in there that they could climb on. As long as its safe for your crab you can put whatever in the tank :)

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Chickens and Roosters
Crabs

Can chickens eat cooked crab shells?

Yes. The shells of crustaceans and mollusks contain calcium, an important mineral in the general diet of all birds including chickens.

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Crabs
Hermit Crabs

If the hermit crab's arm falls off is it dead?

No, it is not dead. Hermit crabs can grow back their "arms" over time, though claws missing can be harder to live without. Just make sure you give lots of new shells so they can molt (which is when the arm is grown back). Don't worry-this happened to my herm!

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Crabs

Can you eat a fiddler crab?

Most crabs can be eaten, however since fiddler crabs don't have a lot of meat (even in their big claw), going through the trouble of catching and eating a bunch of crabs would be exhausting. However, DO NOT eat them raw since they may contain harmful bacteria that could make you really sick.

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Crabs
Chipmunks and Squirrels

How do squirrels breathe under water?

squirrels breathe with their feet while some use their

nose

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Crabs
Hermit Crabs

Can the hermit crab survive without the snail shell?

A hermit crab is very vulnerable without the snail shell, so you can expect it to get eaten, (or dry up for land hermit crabs), or injured before too long.

Some species of hermit crabs actually don't use snail shells at all, however.

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Crabs

How many eggs do crabs lay at a time?

i think that the crabs lay their egga by their and the they are goin gto be in one of the ells and thenthye are goingto b in one of the cells and then they are goingto be in one of th eships where they are goingtoi to be

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Crabs
Hermit Crabs

Can a red clawed crab live in a hermit crab cage?

it depends how big it will get

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Crabs
Hermit Crabs
Emotions

Can hermit crabs died of loneliness?

Yes. Hermit crabs love to be social and in the wild, they go together as groups. You should get atleast 2 hermit crabs, because they will get stressed.

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Crabs
Hermit Crabs

How long can hermit crabs live alone?

not very long; they are very social creatures and love the companion of another hermit crab. so if you don't have 2 or more already, then you should go get another one or two.

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Crabs
Taxonomy

What is the Red crab scientific name?

Gecarcoidea natalis

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Crabs

Why cant you eat the whole crab?

no you can not maybe if you cut it up you can but whole you can not you might choke that's not funny

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Care of Fish
Social Sciences
Crabs
Vertebrates

Are Sand fiddler crab vertebrates?

No. No species of crab is a vertebrate. Vertebrates have a vertebral column (backbone) that is part of an internal skeleton. Crabs are crustaceans, and their skeleton covers the outside of their body, like plate armor - they have no backbone.

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Food Spoilage
Crabs
Storage of Meats Poultry and Seafood
Refrigerators

How long does pickled crab last in fridge?

Despite the fact that this food is pickled, it will not last long in the refrigerator.It will stay good for only a few days. 2 to 3 days at the most with shellfish.

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Care of Fish
Crabs
Hermit Crabs

What do crabs like to eat?

You can feed them algae wagers, specialized crab food, dried bloodworms, shrimp, and blanched vegetables and krill.

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Crustaceans
Crabs
Hermit Crabs

Can hermit crabs molt upside down?

yes

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Crabs

How hard can a crab bite?

Crabs don't bite they pinch. It all depends on what kind. Bigger sea crabs can 'pinch very hard, some can even take a finger or draw blood. Small, hermit crabs can pinch little pieces of skin off then they eat it! :P They can also draw a little blood.

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Crabs
Hermit Crabs

How many times a year does a hermit crab molt?

The frequency of a hermit crab's molt relies on two main factors: size and environment.

Smaller crabs will molt very frequently and for shorter periods of time where a larger crab may only molt twice a year but stay down for months when it does.

If conditions (in the wild or captivity) are not ideal for a molt (this includes the availability of upgrade shells) the crab will actually secrete a hormone that puts the molt off for a while. If it goes too long without molting, it will be forced to molt wherever it is (very dangerous) or die.

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Crabs

What do crabs eat that humans could feed them?

Crabs are 'carrion eaters', meaning they feast on what's left after a larger predator has its fill. Typically, they munch on pieces of dead fish or whatever else happens to wind up on the bay or ocean bottom, since that's where they live.

  • They are detrivores. They will consume animal as well as plant matter (algae, etc.).
  • The will mostly live off plankton and other types of water plantation. They also eat some small fish in the wild.
  • Crabs are opportunists they will eat what they find, including partially decomposed items.

    In captivity they will eat a large variety of foods, try a little of any food.

    If it is not eaten try something else. Fish, prawns and meat are good. Don't give to much, you may pollute the water.

  • They also eat hatchling turtles.
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