Definition
A clupeid is a fish belonging to the family Clupeidae, encompassing species like herrings, sardines, shads, and menhaden. These are typically small, silvery fish known for their schooling behavior, swimming in large groups. They're found in oceans and some freshwater environments. Clupeids serve as a crucial food source for numerous marine animals. Think of them as the underwater equivalent of grass in a field! They're also commercially important, harvested for human consumption and other uses. Their abundance makes them a significant component of marine food webs.