Gymnocorymbus thayeri Eigenmann, 1908
False black tetra
Gymnocorymbus thayeri
photo by Ott, G.

 Family:  Characidae (Characins), subfamily: Stethaprioninae
 Max. size:  5 cm SL (male/unsexed)
 Environment:  pelagic; pH range: 5.5 - 7.5; dH range: 20
 Distribution:  South America: upper Amazon River basin (Bolivia and Colombia). Recorded from the Orinoco River, Guyana, and Trinidad and Tobago.
 Diagnosis:   
 Biology: 
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Binohlan, Crispina B. - 13.08.94
 Modified by: Casal, Christine Marie V. - 30.10.01
 Checked by: Benine, Ricardo C. - 30.10.01

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