| Stevardiidae (Stevardiids), subfamily: Diapominae |
| 4.13 cm SL (male/unsexed) |
|
benthopelagic; freshwater |
| South America: Rio Curuá, a tributary of rio Iriri, rio Xingu basin in Brazil. |
|
Dorsal soft rays (total): 10-10; Anal soft rays: 21-23; Vertebrae: 36-38. A conspicuous dark blotch present at the humeral region. Scales rows between dorsal-fin origin and anal-fin origin 7-8. Mature males with anal-fin gland cup-shaped, its lower part much more developed than the upper (Ref. 81197).
Description: Dorsal-fin rays ii,8; anal-fin rays iv,17-19; pectoral-fin rays i,11-12; pelvic-fin rays i,7 (Ref. 81197). |
| Occurs in clear water rocky rapids, with thick sand on the bottom. Forms small schools of about 10-15 individuals actively swimming against fast flowing waters below a one meter high fall (Ref. 81197). |
|
Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
|
| harmless |
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