Characidium nupelia da Graça, Pavanelli & Buckup, 2008
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Family:  Crenuchidae (South American darters), subfamily: Characidiinae
Max. size:  3.19 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: tributary streams of Rio Cuiabá, upper Rio Paraguay basin in Brazil.
Diagnosis:  Dorsal soft rays (total): 12-13; Anal soft rays: 9-9; Vertebrae: 33-33. Belongs to a group of species, including Characidium xavante, distinguished uniquely by having high number (12-18) of dark, vertical bars on the body, each bar having the width of a scale. Differs from Characidium xavante by a greater number of scales around the caudal peduncle (12 vs. 10), narrower interorbital region (interorbital distance 20.5-28.6 vs. 30.1-38.0% HL) and deeper caudal peduncle (caudal peduncle depth 46.2-57.8% vs. 35.4-44.9% HL). Additional conspicuous external characters which are not unique but are useful in the identification of this species include absence of adipose fin, incomplete lateral line, and presence a dark blotch on the caudal peduncle (Ref. 75787). Description: Dorsal fin iii9; iii,10; Anal fin iii,6; Pectoral fin iii,8, iii9, iii,10; Pelvic i7, i8 (Ref. 75787).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Torres, Armi G. - 26.05.08

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