Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335); itapicuruensis: Named for its type locality, rio Itapicurú basin.
More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Itapicurú River basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.7 cm SL male/unsexed; (Ref. 40938); 6.6 cm SL (female)
Dorsal soft rays (total): 16 - 18; Anal soft rays: 19 - 21; Vertebrae: 34 - 35. Anterior interopercular notch. Anal fin base naked. Supraorbital neuromasts, 30-32. Caudal and pectoral fins rounded; caudal-fin rays 27-31 (Ref. 40938).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Costa, W.J.E.M., 2001. The neotropical annual fish genus Cynolebias (Cyprinodontiformes: Rivulidae): phylogenetic relationships, taxonomic revision and biogeography. Ichthyol. Explor. Freshwat. 12(4):333-383. (Ref. 40938)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources