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Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Neolebias: Greek, neos = new + Greek, lebias, ou = a kind of small fish (Ref. 45335).
Eponymy: Mrs Kerguenne Daget is the widow of the author, French ichthyologist Dr Jaques Daget (1919–2009). (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce pélagique. Tropical; 24°C - 28°C (Ref. 12468)
Africa: Lower Guinea endemic, only known from the coastal rivers of Gabon (Ref. 81638).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 2.7 cm SL mâle / non sexé; (Ref. 7094)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 12 - 13; Épines anales: 0; Rayons mous anaux: 9 - 11. Diagnosis: laterosensory canal on lateral surface of head limited to arch of pores around ventral and posterior margins of orbit and associated with preopercle; 6th infraorbital (dermosphenotic) present, but without laterosensory canal segment; infraorbital absent at posterior margin of orbit; maxilla with 4 or fewer teeth; scaly process absent at base of pelvic fin; dark pigmentation along lateral surface of body 2 scales wide or less; base of caudal fin unpigmented or with rounded spot that falls distinctly short of dorsal and ventral margins of caudal peduncle (Ref. 81638).
Body shape (shape guide): elongated.
Maximum TL was recorded at 3.3 cm (Ref. 7094).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menacé (EN) (B2ab(iii)); Date assessed: 16 February 2009
Menace pour l'homme
Harmless
Utilisations par l'homme
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00186 - 0.01072), b=3.17 (2.97 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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