Redescription of Gymnotus coropinae (Gymnotiformes, Gymnotidae), an often misidentified species of Neotropical electric fish, with notes on natural history and electric signals. Author William G. R. Crampton Author James S. Albert text Zootaxa 2003 348 1 20 http://www.zoobank.org/urn:lsid:zoobank.org:pub:27AC540E-5E14-4BC7-9E54-F04427586E77 journal article z00348p001 27AC540E-5E14-4BC7-9E54-F04427586E77 Gymnotus pedanopterus (29 specimens, 43-340 mm) - Brazil : Amazonas : Barcelos: Rio Negro, Rio Demini, approx. 00°23'N , 62°51'W , MCP uncat. (1, 85) ; MCP uncat. (1, 103) ; MCP uncat. (1, 90) . Manaus: Rio Negro, Rio Taruma-Acu , approx. 03°02'S , 60°07'W , INPA 15907 (1, 47) . Novo Airao : Rio Jau , Rio Carabinani, approx. 01°58'S , 61°30'W , INPA 9742 (1, 67) . Presidente Figueiredo: Rio Negro, Rio Cueiras, approx. 02°41'N , 60°21'W , INPA 6398 (2, 43-208) . - Guyana : Potaro-Siparuni : Lower Potaro River, Tukeit, 05°12'N , 59°27'W , FMNH 105324 (3, 69-79) . - Venezuela : Amazonas : Rio Orinoco, Rio Casiquiare, Cano Manu, 02°00'N , 66°57'W , AMNH 58651 (1, paratype , 153) ; Rio Orinoco, Rio Casiquiare, nr. mouth Rio Pamoni, 02°48'N , 65°58'W , ANSP 162606 (2, 86-129) . Rio Negro, Cano Adabo (no coordinates), NRM 27283 (2, 135-175) . Bolivar : Jabillal, 06°57'N , 64°50'W , ANSP 141596 (14, 76-340) .