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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

Where can you buy live crab off the boat?

You can look online. Possibly you will love your mole. Feed him ham. Feed him apples. Feed him clam chowder. Feeeed

What do hermit crabs eat in the wild?

Hermit crabs eat... Fresh foods and treats you can try include mango papaya coconut (fresh or dried) apples applesauce bananas grapes pineapple strawberries melons carrots spinach watercress leafy green lettuces (not iceberg/head lettuce) broccoli Grass leaves and strips of bark from deciduous trees (no conifers) nuts (unsalted nuts) peanut butter (occasionally) raisins seaweed (found in some health food and grocery stores for wrapping sushi) crackers (no or low salt) unsweetened cereals plain rice cakes popcorn (plain, air popped, can be given occasionally) cooked eggs, meats and seafood (in moderation) freeze dried shrimp and plankton (found in the fish food section at the pet store) brine shrimp fish food flakes Not sure about crabs though sorry! Hoped it helped.

Life stages of a crab?

A pregnant female Hermit Crab will have eggs on the side of her abdomen. She will go out to the ocean and let the eggs drift out which will sink to the bottom and grow among the plankton. When the eggs hatch the babies will dig into the sand to molt a couple times. They will then swim to shore (although most of them get eaten by fish) and be able to breathe on land. They will find shells to go into which will affect the growth of their abdomen. They will then grow by molting every 12-18 months until they die.

What does mud crabs eat?

Mangrove crabs feed on phytoplankton as well as zooplankton. Their real name is Scylla serrata and they are often called mud crabs in addition to mangrove crabs.

What is the name for a group of animals?

the classification for chickens is poultry.

Do sea crabs pee?

Crabs don't urinate in the typical sense. Waste from nitrogen metabolism is not concentrated into a urinary bladder like mammals; aquatic crustaceans are able to dissolve wastes directly into the water through their gills. This is important since nitrogenous waste mostly takes the form of ammonia (not urea) which is highly toxic. Studies indicate that energy expenditures for physical processes at the gills focus on uptake of oxygen, which is sparsely dissolved in water, not the elimination of wastes like ammonia, ammonium, or carbon dioxide. Because of the relative ease of elimination of the highly soluble ammonia and the more urgent need for oxygen uptake at the gills, the nitrogenous waste excretion process can be fairly described as 'passive'.

Why does the hermit crab move in and out different shells during its lifetime?

Because it outgrows the shell it is currently in and much ditch it and move on to another shell which it will eventually outgrow again. Much like how you do not wear what you wore when you were a child!

Do you have to kill a hermit crab if it bites you and does not let go?

No you do not. You should put warm water on your hand, and hermit crab. Most of the time it will let go.

Don't kill it!!! I have two hermit crabs, and my friend picked one up, not knowing that it could pinch so hard. So it pinched her, and my Junior in HS friend screamed and cried for a good half hour before we could get it off. I googled how to get it off, and any solutions we tried DID NOT WORK!! (including the above one) so we hit it, someone offered to smash it, and we were about to cut into her skin to get it off, until I thought of the obvious solution. WARNING: It may seem inhumane, but the hermit crab was fine, and desperate situations call for desparate measures.

We filled up the sink and held her hand (with the hermit crab on it) under water until the hermit crab had no choice but to let go so it could breath. It's not necessarily the fastest (or nicest) solution, but it worked and we got the hermit crab out as soon as she pulled her hand out so it could catch it's breath. Most of the skin on her palm scabbed over after it died, and she still has a scar, so hermit crab pinches are not something to laugh about (at the moment :) ). They are super painful, so if all else fails, just dunk im.

When does warm imitation crab meat spoil?

A week in the fridge. In freezer? Depends. If you put it in right away it will be fine for a month. Since it's sea food I wouldn't keep it in any longer than that. They also have a sell by date. If it's over the sell by date in the fridge throw it out.

What kills pubic crabs?

lots of things. especially cold and lack of suitable water. they can easily freeze to death and water that hasn't been declorinated will kill them as well. if your hermit crab buries itself or you don't see it for a while don't dig it up. this will kill it. and if you see limbs in the cage don't worry or remove them. your crab is probably just molting

How do you tell the difference between male and female blue crabs?

Male crabs have a triangular shape at the underside of the body while the female has no triangular shape but a round circle on the underside if its body. Males also tend to have larger claws than females.

Where do crabs live the most?

Crabs live from the bottom of the oceanic trenches to the top of the inter-tidal zone, to some cases of land Crabs such as on Christmas island. The highest concentration of crabs corresponds to the highest concentration of available food which is at the mid-tidal zone.

Do all crab change shells?

Crabs have an exoskeleton which means their skeletons are on the outside of their bodies.

In order to grow larger, a crab must "molt" or shed its shell when the shell becomes too small to contain its body. The new crab shell is already surrounding the crab's body, but it is soft and needs time to harden into the protective covering we all recognize.

What do dengeness crabs eat?

The dungeness crab is a fairly large species of crab. They are predators and eat other crabs, mussels, clams, small fish, and other crustaceans.

What is the mating behavior of a hermit crab?

Well it all depends on if you have a male hermit crab. And a female hermit crab. They will have the eggs in water. If you live by a ocean u need salt water. If you don't live by a ocean you need fresh water. Its not that easy because you will need to have a Little bit bigger water bowl so they can have the eggs in there. Well if you see your eggs... They Carrie them under there legs. Kinda like a kangaroo ...Well good luck If you have eggs

What are some problems inherent in molting?

Growth occurs by molting, or ecdysis. In many arachnids the first molt occurs while the animal is still within the egg. ... Growth can occur only by shedding the old exoskeleton, a process termed molting or ecdysis.

How long can crab live without food?

Depending on its size, a crab can go up to two weeks without food. Crabs eat very little and it store water in the back of its shell to moisture its gills.

Who discovered the Japanese spider crab?

The largest one in captivity is 12 feet and 40 years old. There is nothing on the biggest one ever.

Are spider crabs dangerous to man?

Not really. They can pinch you, yes, and if they're big in size - they can cause some pain, but no severe wounds or death. There are some very, very large species, but you'd rarely meet one on your everyday beach, and they're usually living more than 10 feet underwater.

How long to cook sand crab?

Ive cooked mud crab before, its nothing like mud though!

it takes about 10-20 mins

Is it normal for a hermit crab claw to fall off?

There are several reasons a hermit crab might lose its claw.

Keep in mind, only a stressed hermit crab will drop a limb.

If your hermit crab has dropped a claw or another limb, you need to look at what may have stressed him enough to lose a leg or claw.

Was he recently purchased and is new to your home? If a hermit crab is not given time to de-stress after you bring him home, he may start dropping limbs. Once you have him in his crabitat he should be left alone and not handled for at least two weeks so he can get used to the vibrations in your home and his new surroundings.

Is the temperature in the crabitat in normal ranges for hermit crabs, ideally a range at one end near 73*F and the other end near 80*F? They need different temperature ranges so they can moderate their body temperature, being cold blooded animals.

Is the humidity at an acceptable level in the tank? Ideally it should be between 70 and 80% relative humidity.

Has the crab undergone a lot of handling or harrassment lately?

Had the crab been involved in a "shell fight" with another crab? Often a crab would rather die than give up his shell, and might lose a limb in a fight to keep his shell. In this case, always make sure there are at minimum three shells per crab near their size and with the shape hole they prefer depending on their species. But even in this case, there still might be a shell fight. If one crab continues to harass another for whatever reason, he should be moved to an isolation tank to "chill out" for a few days. Sometimes a crab in pre-molt will exhibit more aggression than normal.

If you can determine why your crab dropped a limb and can correct the situation, he will regrow the limb again in a molt or two.

For more information, read the care sheets at http://www.hermitcrabparadise.com, or join the forum and use the search feature. The forum has very experienced crabbers who can give you very solid advice, with updated information. Please, never depend on the information pet stores give you. They only expect hermit crabs to live a year or less, but when cared for properly, they can live for decades in captivity.

What do you do if your finger swells after a crab bites you?

I wasn't aware that crabs bite you. They have claws and they can pinch you, which depending on the crab can create quite a bruise. Just like any other bruise, put some ice on it so the swelling goes down.

Can fiddler crab live without water?

Fiddler crabs come from the mangroves where there may be a regular fresh water flush so they may survive for a short while in fresh water. They will not however be able to live for long because they need the calcium and other elements in sea water in order for them to get the neccessities for shell growth.