Adding more shrimps is one way that you could populate this drawing, but there are other creatures you could also add. Similar creatures would include lobsters, crabs or crayfish. You don’t have to stick to crustaceans, however, as there are other ocean creatures that you may want to add...
Indirect Effects of Fishery Exploitation and Pest Control in a Riverine Food Web Key groups represented in the model were aquatic insects, age-1 and age-2 crayfish (Cambaridae), age-1 and age-2 larvae of the dobsonfly Corydalus cornutus (hellgrammites), prey fishes, and age-0 to adult sm...