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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.

2,680 Questions

Does water crabs lose their shell?

the kind that don't want them anymore

How many antennae does a crab have?

Shrimp have six legs. They also have four pleopods.

Can crabs live with regular water?

no they cant im afraid unless they were born in tap water. otherwise they can only live in salt water. also, you cannot put salt into water and call that 'salt water' because that is simply dumb.

What is the movement of a crab called?

Crabs move across hard surfaces by walking. For most crabs, owing to the nature of the leg joints, the characteristic sideways gait is more efficient, but some crabs can walk forwards or backwards, and some have adapted appendages for swimming.

How heavy can a crab get?

The heaviest spider crab, captured in 1921, weighed in at 41 pounds. For the Japanese spider crab, the largest species, 16 to 18 kg is not uncommon. Other species can be much lighter, for example in one north sea species a typical adult would be in the range of 1 to 3 kg.

Can hermit crabs breath upside down?

yes.

Crabs can walk backwards and sideways

Is hermet crab a vertabre or invertibre?

Hermit crabs, along with other true crabs, belong to phylum Arthropoda, all of which are invertebrates. Because of their size and other factors, the need for a vertebral column is obviated by the function of their hard exoskeleton.

How do hermit crabs make a new shell?

The shell that the hermit crab adopts and wears and changes many times throughout his decades long lifetime helps him in several ways.

The hermit crab has a very delicate abdomen that is protected by the shell. Without this shell, his abdomen could become punctured very easily and the crab would die. The hermit crab also carries water in his shell to keep the abdomen moist. If it were to dry out, again, the hermit crab would die. The crab balances the salinity of the water within his shell by accessing fresh or salt water as needed.

The shell is also his shelter, and protects him from predators. The ideal fitting shell will allow the hermit crab to pull fully inside and to block off the opening with his large pincer.

How long should Hermet crabs be cleaned?

Hermit crabs should stay in a tub of lukewarm water for around 2-3 minutes. You shouldn't bathe them any longer than 3 or 4 minutes. Depending on the type of hermit crab, there is a possibility that the hermit crab could drown, so watching the hermit crab moving is a good thing.

Bathe your hermit crab once a week. If your hermit crab is not used to taking baths, start giving him/her baths once a month and when your crabs are used this give him/her baths once a week. Clean your crab for at least 15 minutes or wait until your crab climbs out of his bathtub.

Are horse shoe crabs edible?

Not much can eat a horse shoe crab because of its shell, but when it is either molting or turned over sharks or larger fish can eat it.

What is the kingdom phylum class order family genus species of a horseshoe crab?

Animalia, Arthropoda, Merostomata, Xiphosurida, Limulidae

There are different genera (Carcinoscorpius,Limulus, Mesolimulus, Tachypleus)

There are no living species of the genus Mesolimulus anymore. The four living species belong to the other genera: Carcinoscorpius rotundicauda ( mangrove horseshoe crab), Limulus polyphemus (Atlantic horseshoe crab), Tachypleus gigas, Tachypleus tridentatus

What are special about crab eyes?

The crayfish's eyes can move and most of the time , it is to protect the eyes so it moves into a "case".

What is a crabs behavior?

hi good morning ,

It is interesting how crabs think and work together. I've gone crabbing on the west coast. You can put a crab in a bucket about 12 inches deep and it will easily reach up over the lip of the bucket and succeed in climbing out. But an interesting thing happens when you have 2 or more crabs in the same bucket. As the first crab reaches up to pull itself out and starts to succeed, the other crabs reach up to pull the other crab back into the bucket. They will each take turns trying to climb out while the other crabs spend their time pulling the crab that is having success back down into the bucket .

Can crab survive without water?

Yes. It can survive with atleast one claw..

But if it doesn't have any claws then it can survive but probably not for a long period of time with out getting killed by humans or eaten by other water predators.

Do hermit crabs live in swamps?

I think hermit crabs are sea animals so it is unlikely you will find them living in deserts. Why dont you go to wikipedia and see what it says

Why do spider crabs attack humans?

They can inject poisonous venom into your body if they sting you but only really dangerous ones can kill with their sting

What is the orange stuff in crabs?

There are a couple parts that are orange inside of crabs. If it is soft and orange, it is most likely the hepatopancreas, which filters blood impurities in the crab's body. The harder orange material that look like beads are eggs, better known as roe.

Will sand crabs hurt you?

people die all the time from eating raw shellfish - its not worth the risk IMO

Can hermit crabs eat bacon and salami?

It is generally bad for them due to it being processed and all, which could be very bad for a hermit crab. However they do eat pretty much everything else humans eat, except for junk food. They like:

Fruits (grapes, strawberries, apples, etc)

Vegetables ( anything:))

They can also occasionally have plain, unsalted popcorn, plain crackers, and raisins