Digestion

-ingest food through their mouth, gets grounded up in the gastric mill structure, passes through the digestive tract where it is broken down

-crustaceans have a complete digestive tract

Nutrition

-need protein, amino acids, lipids, fatty acids, vitamins, and minerals

-feeding requirements differ between species

-carnivorous species require foods with more high contents of protein and lipids compared to omnivorous and herbivorous species