Gymnodinium breve

Gym·no·din·i·um breve

a species of microscopic algae that causes red tide; it produces a toxin that affects the central nervous system of fish, paralyzing and killing them.

Gym·no·din·i·um bre·ve

(jim-nō-dīn'ē-um brē'vē) A species of microscopic algae that causes red tide; it produces a toxin that affects the central nervous system of fish, paralyzing and killing them.