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Cynolebias attenuatus Costa, 2001 |
| Family: | Rivulidae (Rivulines), subfamily: Cynolebiinae | |||
| Max. size: | 10.53 cm SL (male/unsexed); 7.08 cm SL (female) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: middle São Francisco River basin in Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 15-18; Anal soft rays: 18-21; Vertebrae: 36-36. Slender males with red spots on the head. Dorsal-fin rays 16-18 in males, 15-17 in females; anal-fin rays 19-21 in males, 18-19 in females; caudal-fin rays 28-30. Caudal and pectoral fins rounded. Snout slightly pointed with lower jaw slightly elongated. Supraorbital neuromasts 30-35 (Ref. 40938). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 18 May 2022 Ref. (130435) | |||
| Threat to humans: | harmless | |||