Etheostoma grahami
Etheostoma grahami (Girard, 1859)
Rio Grande darter
photo by Thomas, C.


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Family:  Percidae (Perches), subfamily: Etheostomatinae
Max. size:  6 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  North America: lower Rio Grande drainage in Texas, USA and Mexico.
Diagnosis:   
Biology:  Inhabit gravel and rubble riffles of creeks and small rivers (Ref. 5723). Eggs are found attached to the substrate unguarded (Ref. 7043).
IUCN Red List Status: Vulnerable (VU); Date assessed: 03 March 2019 (B2ab(iii)) Ref. (130435)
Threat to humans:  harmless


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