Photo Credit: Brian Zimmerman
| Family | Scientific Name | Author | Year | Common Name |
| Catostomidae | Ictiobus cyprinellus | (Valenciennes) | 1844 | Bigmouth Buffalo |
Ictiobus cyprinellus
Unique Characters: Subopercle symmetrical (rounded). Tip of upper lip nearly level with lower margin of eye. Mouth oblique and large.
Similar Species:
Smallmouth Buffalo
Ictiobus bubalus
Black Buffalo
Ictiobus niger
Smallmouth Buffalo Ictiobus bubalus. Subopercle symmetrical (rounded). Tip of upper lip far below eye, midway between lower margin of eye and bottom of head. Mouth nearly horizontal and small. Eye diameter greater than distance from fleshy posterior tip of maxilla to fleshy anterior tip of lower jaw (may not be true in extremely large fish) ; body deep and compressed , body depth , even in juveniles , usually less than 2.7 times in standard length ; back sharply ridged anterior to dorsal fin.
Black Buffalo Ictiobus niger. Subopercle symmetrical (rounded). Eye diameter equal to or less than distance from fleshy posterior tip of maxilla to fleshy anterior tip of lower j aw in adults ; body depth usually more than 2.9 times in standard length ; back rounded anterior to dorsal fin. Restricted to lower French Broad River in Madison County.
Carpiodes species
Common Carp
Cyprinus carpio
Carpiodes species. Subopercle asymmetrical (triangular).
Common Carp. Cyprinus carpio. Barbels on upper jaw and a serrated spine-like ray in the dorsal and anal fins.
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