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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); gibbus: Named for the prominent convexity of the anterior part of dorsum; an adjective.
More on author: Costa.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: middle São Francisco River basin in Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 9.8 cm SL mâle / non sexé; (Ref. 40938); 8.7 cm SL (female)
Rayons mous dorsaux (Total) : 14 - 18; Rayons mous anaux: 17 - 21; Vertèbres: 37. Central part of dorsal surface of 5th ceratobranchial deeply concave and pronounced convex dorsal profile of body above the pectoral fin base. Pectoral fin of males usually longer with tip reaching between urogenital papilla and base of 3rd anal-fin base. Small golden spots scattered over the dorsal part of body sides. Dorsal-fin rays in males, 17-18, 14-18 in females; anal-fin rays 19-21 in males, 17-20 in females; caudal-fin rays 31-32. Caudal and pectoral fins rounded. Snout gently pointed with lower jaw slightly elongated. Supraorbital neuromasts 33-35 (Ref. 40938).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |