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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

In the winter is shallow water or deep water warmer?

Deeper water is generally colder because it gets less radiant sunlight. Shallow water receives it's warmth from the sun during the few precious hours of sunlight during winter months. For this reason you will see shore ice melt first as the suns rays reflect off of the bottom in shallow water to melt the ice layer above.

What type of crabs are invading long island sound?

the main crab that is invading the long island sound is the japeniese crab

How can you tell the sex of a watermelon crab?

just like any other crab the male is the one with the big claw.. and the female has two smaller claws

Who was Sally Lightfoot for whom a crab and a sailboat class were named?

According to antique seamen's lore, Sally Lightfoot is a night club dancer in the Caribbean. Although wearing hardly anything to cover her divine body, her dress is bright and colourful, red, orange and yellow. By profession, her movements are light and swift. A quick step sideways to avoid the odd hand snatching is her specialty. After months at sea and rounding Cape Horn, sailors anchor at the Galapagos Archipelago to take in fresh water. Brightly coloured crabs, red, orange and yellow, abound at the beach. High on their legs they move swiftly sideways. There is no doubt in any sailors mind; this is Sally Lightfoot.

WHY IS MY Halloween moon crabs legs are falling off any info?

This mysterious syndrome in this specific crab species is due to temperature being to low. Stay between 72 and 78 degrees or at 75 to be optimum. This is the most common reason that (Gecarcinum Quadratus, aka the Halloween Moon Crab) will lose it's legs for no apparent reason.

What are some causes for the decline in bee populations?

The queen could die, or there could be a food shortage. However, a dip in bee population numbers in bad years would be cancelled out in the good years. One of the causes of the decline in bee populations is the spraying of crops with of pesticides, and also by the spreading of mites and other parasites.

There is also another possible cause: GM crops. I do not know what effect the pollen from GM (Genetically Modified) crops has on bees, but as GM seeds are specifically designed to be unable to be used as seed for the next year's crop, this means the growers have no choice except to buy seed to sow for the next year. The bees don't know that the seeds are good for only one year, so does this mean that the honey they make from the pollen of these now-infertile seeds is also non-life-sustaining as well? I don't know, but perhaps someone could check bee-population changes in GM crop areas.

What dose reproduce mean?

reproduce means to produce other living things like themselves.

Can a crab drown?

Yes, hermit crabs can drown. But it is still very important to have distilled water in the tank for your hermit crab to drink. Putting a natural sponge can help hermit crabs from drowning. Also do not put enough water in the bowl for it to drown.

Hermit crabs also need SEA salt water for them to bathe in to get their exoskeleton stronger. Hermit crabs need distilled water because the clorine burs their modified (hardened) gills, the gills are not the kind fish have. Hermies gills need moisture in the air. so have the tank have 70 - 80% humidity.

Do pet hermit crabs change shells by themselves?

Yes, they do. if they're in a tank put some shells in it for it to swap them over. Otherwise no they don't.

Why crab legs fall off?

Crab legs may fall off while cooking if they are not properly attached to the body or if they are overcooked. When overcooked, the meat shrinks and can cause the legs to detach more easily. It's important to handle the crab delicately to avoid this issue.

Can you catch crabs in January?

Yes, you can catch crabs in January, but it largely depends on the species and location. For example, in warmer coastal regions, some crab species may still be active and available for catch. However, in colder climates, crabs typically slow down or become inactive during winter months, making them less accessible. Always check local regulations and seasonal guidelines for specific areas.

What does it mean when hermet crabs comes out of there shells?

If they come completely out of his/she's shell it means he/she is ready for a NEWW shell or if she just comes out and he/she just comes some what out of his/her shell he/she is awake now, ready to play or Hungary or thirsty! :) remember to take care and L<3ve for your Hermet Crab!

Do fiddler crabs like moss?

Yes, I suggest putting moss balls in their habitat. Moss balls are made of algae and absorb a small amount of amonia from their waste. Gently squeeze the water out of your moss balls during water changes. Be sure not to squeeze so hard that you block the light from being able to penetrate it though as light is its food source. Fluff it back up in clean water by gently tossing it through your finger tips and put it back in your tank.

How does water salinity affect crab movement?

I can confirm that hermit crabs favor salinity on the lower end of the reef tank spectrum vs. higher. I have been trying to ease my salinity down from 35 ppt to 30 ppt. The closer I get, the more active the crabs have become. I have about a dozen and they have ALL started to become more active. Take it FWIW.

Is a crab carnivore?

The majority of crabs are omnivores, while some are carnivores, and some are herbivores. Crabs will often eat algae, worms, small fish, and sometimes dead fish or other crabs. Diet varies depending on the species.