Characidium borellii (Boulenger, 1895)
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Family:  Crenuchidae (South American darters), subfamily: Characidiinae
Max. size:  6.55 cm SL (male/unsexed)
Environment:  benthopelagic
Distribution:  South America: Andean tributaries of ParanĂ¡ River basin in northwestern Argentina.
Diagnosis:  Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 7; Vertebrae: 37. A generalized Characidium with the isthmus scaly and the breast rounded, iii external pectoral rays and i external pelvic ray, the eye only slightly oblique, the lateral line complete and the adipose fin present; zebra-like color pattern; characterized by only ii,8 dorsal rays and few (5/5) teeth on both jaws, essentially conical, with apex of the mandibulary teeth somewhat enlarged, triangular, and probably no second mandibulary row and no pterygoid teeth. 'Spines' refer to unbranched rays.
Biology:  A limitroph species (Ref. 38397).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 18.06.99
Modified by: Bailly, Nicolas - 05.07.07
Checked by: Buckup, Paolo A. - 26.02.01

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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