| Family: |
Rivulidae (Rivulines), subfamily: Cynolebiinae |
| Max. size: |
4.59 cm SL (male/unsexed); 3.73 cm SL (female) |
| Environment: |
benthopelagic; freshwater, non-migratory |
| Distribution: |
South America: Brazil. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 18-24; Anal spines: 0-0; Anal soft rays: 23-30; Vertebrae: 27-30. Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes; stripes narrower than interspaces) and a vertically paired black blotch on caudal peduncle of juveniles and females (versus small spots irregularly arranged, or a single round dorsally positioned spot, or no spots on caudal peduncle). Scales on longitudinal series 26-28, supraorbital neuromasts 16-19, pharyngobranchial teeth 2-5. Dorsal fin origin posterior to anal fin origin in females. Caudal fin rounded (fin rays 21-22). |
| Biology: |
Bottom spawner, 3-5 months incubation. Is difficult to maintain in aquarium (Ref. 27139). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 07 November 2018 (B1ab(iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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