Grunion bluish-green backs and silvery sides and bellies. Their snouts are bluntly rounded and slippery. Silversides differ from true smelts of the family Osmeridae in that they lack the trout-like adipose fin. Young grunion grow rapidly and are about five inches long by the time they reach one year old and are ready to spawn. Adult fish normally range in size from with a maximum recorded size of (La Jolla, Ca., 05-11-05). Average body lengths for males and females are , respectively, at the end of one year; at the end of two years; and at the end of three years.
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,