Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce; salmastro demersale. Tropical; 17°N - 3°N
Africa: coastal river at Mansoa Point, Guinea Bissau (Ref. 57291, 116049). Also recorded from Niger delta, Nigeria (Ref. 57291).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 53.5 cm TL maschio/sesso non determinato; (Ref. 57291)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 0; Spine anali: 0; Raggi anali molli: 0. Diagnosis: body naked, elongated, cylindrical in front and strongly compressed back; caudal part of body making less than one third of the total length and ending in a blunt point; no paired fins; dorsal and anal fins reduced to a skin fold, rayless, meeting the caudal fin; eyes small, overlaid with skin, situated at the head forward; mouth large with well developed lips; conical teeth to the jaws and the palate; gill opening reduced to a medio-ventral transversal slit; branchiostegal membrane free from isthmus; 4 branchial arches with well developed branchiae; lateral line present; vertebral count: 80 abdominal and 50 caudal (Ref. 57291).
Colouration: adults are dark-coloured, nearly black, juveniles are clearer (Ref. 57291).
Body shape (shape guide): eel-like.
Facultative air-breathing (Ref. 126274); The male guards and builds nest or burrow (Ref. 205).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Daget, J., 2003. Synbranchidae. p. 447-450 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. 57291)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00085 (0.00040 - 0.00182), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Moderate vulnerability (41 of 100).
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