Other names: American gizzard shad, Mud shad
The American gizzard shad, Dorosoma cepedianum, is a freshwater fish commonly found in North America. It is recognized by its deep, laterally compressed body and small mouth. This species is abundant in large rivers, lakes, and reservoirs and is often used as bait by anglers due to its prolific nature and availability.
Other names
American gizzard shad, Mud shad
Length
~28" (max 47)
Weight
~1" (max 2)
Water
Fresh, brackish
Water Temp
10-21° F
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American gizzard shad thrive in open waters of large rivers and lakes
They prefer areas with well-developed pools and can be found in both freshwater and brackish environments
Juveniles are abundant upstream from brackish water, favoring quieter open waters
They primarily feed on phytoplankton and detritus, making them effective filter feeders
Spawning occurs near the surface in freshwater from late winter to mid-summer
Eggs are adhesive and sink after being released
Larvae are most active in surface waters, feeding on plankton
Adults are found in both freshwater and brackish waters, often migrating to breed and feed