Topsmelt Silverside

Atherinops affinis, the topsmelt silverside or simply topsmelt, is a species of Neotropical silverside native to the eastern Pacific Ocean. This fish is found along the west coast of North America from southern British Columbia to Baja California. It is marine and it often schools in relatively shallow water such as estuaries, bays, rocky intertidal zones and kelp forests, where it feeds on zooplankton. This is a common fish of the San Francisco Bay and Sacramento-San...