Gymnotus henni Albert, Crampton & Maldonado-Ocampo, 2003
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 Family:  Gymnotidae (Naked-back knifefishes)
 Max. size:  31.2 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  South America: Río Calima, Valle de Cauca Department and the Río Juradó, Chocó Department in Colombia.
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal soft rays: 223-275. Head with brown ground color and irregularly shaped pale-yellow blotches located on chin, gular area, behind and under eyes, over opercle, and between eyes; pale yellow bands as broad or broader than dark brown bands on anterior half of body; obliquely oriented hyaline and dark stripes at caudal end of anal fin (Ref. 49716).
 Biology: 
 IUCN Red List Status: Vulnerable (B1ab(iii)) (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Garilao, Cristina V. - 18.11.03
 Modified by: Bailly, Nicolas - 11.05.11

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