- distinctive- characteristic of one person or thing, and so serving to distinguish it from others
- mature- fully developed physically; full-grown.
- krill- a small shrimp like planktonic crustacean of the open sea
- shrimp- small free-swimming crustacean with an elongated body, typically marine and frequently harvested for food.
- plankton- the small and microscopic organisms drifting or floating in the sea or fresh water, consisting chiefly of diatoms, protozoans, small crustaceans, and the eggs and larval stages of larger animals. Many animals are adapted to feed on plankton, especially by filtering the water.