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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynopoecilus: Greek, kyon = dog + Greek, odous = teeth + Greek, poikilos = with a lot of colours (Ref. 45335).
More on author: Regan.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique; non migrateur. Subtropical; 18°C - 24°C (Ref. 2059)
South America: Brazil and Uruguay.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.3 cm SL mâle / non sexé; (Ref. 98301); 3.5 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 16 - 19; Épines anales: 0; Rayons mous anaux: 22 - 25; Vertèbres: 28 - 30. Having faint spots restricted to the dorsal portion of the fin or caudal spots absent; pectoral fin length of male 18.6-22.6% SL; longitudinal rows of spots on body of male pale golden to greenish golden anteriorly and light blue posteriorly; pelvic fin length 6.8-8.3% SL in male, 6.4-7.5% in female; dark brown irregular marks on dorsum below dorsal fin of male, dorsal head profile of adult male slightly concave; lateral body stripes of male dark reddish brown; caudal fin or male without a bright blue zone along posterior margin of the fin; 11-14 supraorbital neuromasts and 1-3 neuromasts per scale of the lateral line (Ref. 42931).
Body shape (shape guide): elongated.
Bottom spawner, 2 months incubation. Is very difficult to maintain in aquarium (Ref. 27139).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Costa, W.J.E.M., 2002. The annual fish genus Cynopoecilus (Cyprinodontiformes: Rivulidae): taxonomic revision, with descriptions of four new species. Ichthyol. Explor. Freshwat. 13(1):11-24. (Ref. 42931)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00387 - 0.01238), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Réf.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Generation time: 0.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (K=6).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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