Grunion
Grunions are small, slender fish belonging to the family Atherinidae, found along the Pacific coast of Mexico and the United States. They are most famous for their unique spawning behavior, which occurs on sandy beaches during high tides, typically after the full or new moon. These spawning events are known as "grunion runs."
During a grunion run, females will wriggle tail-first into the wet sand to lay their eggs, while
The most well-known species is the California grunion, Leuresthes tenuis. Their diet consists mainly of plankton