/krill

krill

small, shrimp-like invertebrates (also called euphausiids) that swarm in dense patches within the water column or at the sea surface. They have hard mouths and tail parts that reflect sound. Krill is an important food source for many marine organisms including whales and seals.

Synonyms:
euphausiids
2017-10-02T15:18:01+00:00