Semotilus thoreauianus Jordan, 1877
Dixie chub
photo by N. Burkhead & H. Jelks

Family:  Leuciscidae (Minnows), subfamily: Plagopterinae
Max. size:  15 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  North America: Gulf Slope from Ochlockonee River system in Georgia and Florida to Tombigbee River system in Alabama, USA.
Diagnosis:  Semotilus thoreauianus is distinguished from Semotilus atromaculatus by the following characters: larger lateral scales (45-52); wider, more diffuse stripe (darker on young) along side; stouter body; less distinct dorsal and caudal spots; and breeding males with orange to pink underside, yellow fins, usually 8 large hooked tubercles on head (Ref. 86798).
Biology:  Inhabits sand- and gravel-bottomed pools of creeks and small rivers (Ref. 86798).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 March 2012 Ref. (130435)
Threat to humans:  harmless


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