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 »

Depending on the species, sea crabs eat plankton, worms, fish, shrimp and other crabs. Crabs that live in the deep sea survive on foodfalls, which are scraps of meat that fall to the ocean floor after being killed by ano... 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 »

According to The Hermit Crab Patch, hermit crabs are omnivorous scavengers. In captivity, they can be fed a range of plant and meat varieties, but the size of their meals needs to be properly adjusted to their size, acco... 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 »