| Family: |
Anostomidae (Headstanders) |
| Max. size: |
12.47 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: upper rio Curuá, rio Xingu basin of Serra do Cachimbo, Brazil. |
| Diagnosis: |
Dorsal soft rays (total): 12-12; Anal soft rays: 10-10; Vertebrae: 35-36. Presence of eight to ten midlateral round dark blotches and 20-40 smaller ones forming one or two irregular series above and two or three irregular series below midlateral blotches; dental formula 3/4, sub-inferior to inferior mouth; 37 to 38 lateral line scales; 4/3-4 transversal series of scales; 12 circumpeduncular scale series; and head length 20.9-23.6, mean 22.3% SL (Ref. 80699).
Diagnosis: Dorsal fin ii, 10; Anal fin ii,8; Pectoral fin i,13, 14, 15 or 16; Pelvic fin i,8 (Ref. 80699). |
| Biology: |
Adults occur in clear water streams, near waterfalls or in a cofferdam just above a waterfall (Ref. 80699). Distinct pairs breed on densely grown weedy places (Ref. 205). |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 07 November 2018 (D2) Ref. (130435)
|
| Threat to humans: |
harmless |
| Country info: |
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