Gladioglanis machadoi Ferraris & Mago-Leccia, 1989
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 Family:  Heptapteridae (Three-barbeled catfishes)
 Max. size:  3.4 cm SL (male/unsexed)
 Environment:  demersal
 Distribution:  South America: Orinoco and Negro River basins.
 Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 6-6; Anal soft rays: 15-18
 Biology:  Inhabits small, heavily forested black-water streams with large leaf-litter deposits. Feeds on small invertebrates.
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Torres, Armi G. - 16.05.97

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