Definition of "zooplankton" []

• Plankton that consists of animals, including the corals, rotifers, sea anemones, and jellyfish. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "One of the model's key assumptions was that bluefin like to spawn in waters full of organisms called zooplankton — waters that satellite data suggest were hit particularly hard by the spill."
• "When phytoplankton explode in population during the blooms, tiny animals called zooplankton - which include krill and other small crustaceans - likewise expand in number as they harvest the phytoplankton."
• "Experts say the whales gather each year off Cape Cod to feed off tiny marine creatures called zooplankton."