noun. Any of various fishes of the family Clupeidae, which includes the herrings, menhadens, and sardines.

noun. A fish of the family Clupeidæ. Also clupeoid.

noun. any of numerous soft-finned schooling food fishes of the family Clupeidae, inhabiting the shallow waters of northern seas. The group includes the herrings, menhaden, sardines, and shad.

noun. Any of many soft-finned fish of the family Clupeidae

noun. any of numerous soft-finned schooling food fishes of shallow waters of northern seas

"The larva of the horse-mackerel, on the other hand, is like a tadpole; it swims better than a clupeid larva of the same size - thus enabling it to flee predators more easily - and it has a bigger mouth to capture more and bigger prey."

malacopterygian  soft-finned fish  

alewife  alosa pseudoharengus  brevoortia tyrannis  clupea harangus  herring  

clupeid fish  herring