Euphausiids, or krill, as they are commonly called, are small crustaceans found throughout the world’s oceans. These zooplankton, often forming large swarms, are a very important part of the food web in the ocean.

Euphausiids, or krill, as they are commonly called, are small crustaceans found throughout the world’s oceans. These zooplankton, often forming large swarms, are a very important part of the food web in the ocean.