Gizzard shad

Dorosoma cepedianum

Family Clupeidae - herring

Body moderately deep, compressed; color green-blue-black above, white below, faint spot behind opercle; fins dusky in adults; snout rounded, blunt; mouth subterminal, has frontal notch in upper jaw; belly with serrated keel; no enlarged scales on back in front of dorsal fin; last dorsal ray elongated, filamentous; shoulder inside opercle with no lobes.
Similar Species
Gizzard shad, threadfin shad and Atlantic thread herring are the only herrings (off Texas) where the last dorsal ray is elongated and filamentous; gizzard shad is the only 1 with a subterminal mouth and frontal notch on upper jaw, also has no lobes on shoulder under opercle.
Freshwater and low salinities in bays
Maximum Size
60 cm (23 1/2 in), common to 40 cm (15 1/2 in)
Fin Element Counts
D. 10-13; A. 25-36 (explain)
Other Common Names
Previous Scientific Names
State size/bag limits