|Family||Scientific Name||Author||Year||Common Name|
|Clupeidae||Alosa mediocris||(Mitchill)||1814||Hickory Shad|
Unique Characters: Upper margin of lower jaw rises gradually. Mouth superior with tip of lower jaw projecting slightly forward of upper jaw. Usually 18-23 widely spaced gill rakers on first gill arch. Blue-black spot behind upper opercle followed series of dusky spots. Cheek longer than or equal to its depth.
American Shad Alosa sapidissima. Mouth less oblique and lower jaw does not project beyond upper jaw. Usually 59-76 crowded gill rakers on lower limb of first gill arch. Cheek deeper than it is wide.
Blueback Herring Alosa aestivalis and Alewife Alosa pseudoharengus. Upper margin of lower jaw rises sharply.