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 are omnivorous scavengers who like variety in their diet. Hermit crab food, extra protein and vegetables, fresh water and salt water will help ensure they thrive in your crabitat.ermit crabs are omnivorous scavengers and like variety in their diet. It is always a good idea to give them additional fresh items in their food dish. Just as humans have individual taste preferences, you will discover that your crabs do too. Experiment with a wide variety of foods to discover what your crabs like.