Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; pH range: 5.5 - 6.0. Tropical; 24°C - 26°C (Ref. 12468)
Africa: many West African basins, from Guinea (Ref. 57413, 81660) to Congo (Ref. 81660) and Democratic Republic of the Congo (Ref. 57413), including basins of Niger, Lake Volta (Ref. 57413), Chad (Ref. 57413, 81660) and Congo (Ref. 41590, 106290). Also in Nile basin (Ref. 28714, 81660).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm TL mâle / non sexé; (Ref. 57413); common length : 3.0 cm SL mâle / non sexé; (Ref. 81660)
Épines dorsales (Total) : 6 - 8; Rayons mous dorsaux (Total) : 8 - 10; Épines anales: 1; Rayons mous anaux: 6 - 8. Diagnosis: predorsal scales always absent; 27-31 (rarely 32) scales in longitudinal series (including scales on caudal fin base); 9-11 scales in rearward transverse series; 15-17 (rarely 14) pectoral-fin rays (Ref. 57413, 81660).
Maximum standard length reported 49 mm (Ref. 81660).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Harrison, I.J., P.J. Miller and F. Pezold, 2003. Eleotridae. p. 670-690 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57413)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00292 - 0.01565), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).