copula - an equating verb (such as `be' or `become') that links the subject with the complement of a sentence. copulative, linking verb. verb - a content word that denotes an action, occurrence, or state of existence.
Different species of crabs eat different foods. Depending on the species, they may eat plankton, worms, shrimps, prawns and other shellfish, and they scavenge for animal and/or plant remains. 1  They are detrivores. 2  They will consume animal as well as plant matter (algae, etc.).
Hermit crabs eat pellet food, supplemented with vegetables and fruit. 1  Hermit crabs take small bites and eat very slowly, usually at night. 2  Small crabs sometimes don't have claws big enough to grab onto pellet-type food. Feed small crabs 1 teaspoon of powdered hermit crab food, or pellets crushed into powder.