Crabs usually eat algae. Crabs are omnivorous, meaning that they will eat both plants and other animals for sustenance. More »

Most ocean crabs are considered carnivores and eat just about any meat they can find. There are a few species that are omnivores, however, and eat plants as well as meat. More »

The sand crab's food supply comes solely from plankton and its important component, dinoflagellates. To feed, the crabs find the swash zone where the waves are breaking and bury themselves backwards. Then they use antenn... More »

Shore crabs feed primarily on invertebrates such as molluscs, clams, crustaceans and worms, but they eat practically anything they can get a hold of, including the remains of dead organisms. Their voracious appetites hav... More »

The ghost crab is a generalist as it eats carrion, debris and smaller animals, such as clams, turtle hatchlings and other crabs. Ghost crabs mostly feed during the night. More »

In captivity, hermit crabs are omnivorous and eat hermit crab pellets, as well as fruits such as apples, bananas, and grapes, and green vegetables such as kale and broccoli. They also eat calcium supplements such as crus... More »

www.reference.com Pets & Animals Marine Life Crabs

Hermit crabs are omnivores and eat almost anything available. In captivity, they may eat raw fish, cooked chicken and a variety of vegetables, fruits and nuts. More »