| Family | Scientific Name | Author | Year | Common Name |
| Atherinopsidae | Labidesthes sicculus | (Cope) | 1865 | Brook Silverside |
Labidesthes sicculus
Unique Characters: Long, beaklike snout; triangular-shape when viewed from above. Two widely separated dorsal fins. First dorsal fin origin above anal fin origin. Pale green body with small scales. Currently restricted to the lower French Broad River in Madison County.
Similar Species: None. Not sympatric with any other species of silversides.
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