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
Creature type (Dungeons & Dragons) and shambling mounds. Animates generally possess the "construct", "plant" or "undead" keyword. Intelligent undead and plant creatures generally belong to the humanoid or magical beast type rather than the animate type, and the Warforged are humanoids with the living construct keyword rather than animates. The "beast" type encompasses mundane animals, as well as unintelligent monstrous animals, such as basilisks, hydras, owlbears and purple worms, and non-intelligent non-humanoid creatures which do not fit into another category, such as oozes. Intelligent living or undead creatures which are at least roughly humanoid generally belong to the "humanoid" type. Examples include humans, driders, giants,