King crabs' diets vary with their age and the depth at which they live in the ocean. Larval crabs float around and eat plankton, juvenile crabs fall to the ocean floor and eat other organisms that live there, and adults ... More » Science Biology Zoology

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 »

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 »

When organisms die in an ocean biome, they are decomposed by bacteria like on land and become food for scavengers, such as sharks and crabs. Unlike on land, however, because many organisms live in the upper layers of wat... More »

Crustaceans like crabs, crayfish and lobsters eat seaweed, as do plankton and humans. No seaweed species is known to be poisonous. More »

The black wildebeest and blue wildebeest have different diets, with black wildebeest eating karroid brushes and shrubs, while blue wildebeest are generalized grazers, focusing on rapidly growing grasses. These different ... More »

Mollusks are classified as herbivores, omnivores and carnivores, and their diets depend largely on the species and availability of food in a particular location. Some mollusks consume only algae and ocean plant matter, w... More »