Grunion classified in the family Atherinopsidae along with other New World silversides including the jacksmelt and topsmelt. The California grunion, "L. tenuis", is found along the Pacific Coast from Point Conception, California, to Punta Abreojos, Baja California Sur. They are rarely found between San Francisco in the north and San Juanico Bay, Baja California Sur, in the south. The Gulf grunion, "L. sardina", is found along the coast of Baja California in the Gulf of California. Inhabiting the nearshore waters from the surf to a depth of , marking experiments indicate they are not migratory. They are small, slender fish with
Revenge of the Creature debut of Clint Eastwood, who appears uncredited as a lab technician named Jennings early in the story. He is shown having a discussion with Professor Ferguson, accusing a test subject cat of eating a lab rat, only to find the rat in his lab coat pocket. Critically reviewed in "The New York Times", "Revenge of the Creature" was dismissed as a fourth-rate sequel with the comment, "... away we go, as before." Other than some interesting sequences involving the setting, "What is probably the most unusual aquarium in the world makes a nice, picturesque background indeed ..." the review was