Etheostoma olivaceum
Etheostoma olivaceum Braasch & Page, 1979
Sooty darter
Etheostoma olivaceum
photo by Page, L.M.


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Family:  Percidae (Perches), subfamily: Etheostomatinae
Max. size:  8 cm TL (male/unsexed); max. reported age: 2 years
Environment:  benthopelagic; freshwater
Distribution:  North America: found only in the lower Caney Fork system and nearby tributaries of Cumberland River in central Tennessee, USA.
Diagnosis:   
Biology:  Inhabit rocky pools and nearby riffles of headwaters and creeks (Ref. 5723); also found in streams (Ref. 10294). Often found in very shallow water less than 4 m deep (Ref. 5723). Juveniles feed on midge larvae and microcrustaceans; adults on midge larvae, other immature aquatic insects (mayflies, caddisflies, stoneflies), isopods and amphipods (Ref. 10294). Eggs are found clustered on underside of stone and guarded by males (Ref. 7043).
IUCN Red List Status: Least Concern (LC); Date assessed: 22 December 2011 Ref. (130435)
Threat to humans:  harmless


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