Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Rivulidae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335). More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; non-migratory. Tropical
South America: Middle São Francisco River basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL male/unsexed; (Ref. 27234); 3.6 cm SL (female)
Morphology | Morphometrics
(total): 14 - 17;
Vertebrae: 32 - 33. Short alveolar arm of premaxilla; very narrow and short ventral process of angulo-articular; ventroposterior part of mesopterygoid overlapping dorsal border of quadrate; truncate dorsal portion of opercle. Absence of gill-rakers denticles on the first branchial arch. Narrow lateral process of sphenotic. Ventral opercular neuromasts 5-6. Deepest body point on vertical through an area between pectoral and pelvic-fin bases. Dorsal-fin rays in males, 15-18, 14-17 in females; anal-fin rays 17-20 in males, 17-20 in females; caudal-fin rays 26-29. Caudal and pectoral fins rounded. Supraorbital neuromasts 24-28 (Ref. 40938).
In temporary ponds. Known only from his type locality (Ref. 27234). Bottom spawner, ? months incubation.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Costa, W.J.E.M., 1998. Cynolebias gilbertoi, a new species of annual fish (Cyprinodontiformes: Rivulidae) from the rio São Francisco basin, northeastern Brazil. Cybium 22(3):237-243. (Ref. 27234)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00399 - 0.01990), b=3.14 (2.94 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .