Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique. Tropical
Africa: Lower Guinea endemic, present in the Ntem, Ogowe and Kouilou Rivers (Ref. 7094, 81638). Also found in Nyanga River in Gabon (Ref. 81638).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 19.5 cm SL mâle / non sexé; (Ref. 81638)
Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 18-20; Épines anales 0; Rayons mous anaux: 12 - 13. Diagnosis: 53-60 lateral line scales; 18-20 total dorsal fin rays; dorsal fin not becoming elongate ontogenetically, tip of fin extending at most to vertical between posterior limit of base of dorsal fin and origin of adipose fin; flanks with series of distinct, vertically elongate bars that extend to dorsal mid-line, caudal peduncle without distinct, dark pigmentation or with diffuse, round, dusky spot on posterior portion of caudal peduncle in some specimens; (Ref. 81638).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries:
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00634 - 0.03785), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).