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Synbranchiformes (Spiny eels) >
Mastacembelidae (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335).
Eponymy: AntoineAlfred Marche (1844–1898) was a French explorer and naturalist. [...] (Ref. 128868), visit book page.
More on author: Sauvage.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico. Tropical
Africa: Kribi River basin (Cameroon) to the Kouilou-Niari (Republic of Congo); also known from the lower Congo River and Pool Malebo (Democratic Republic of the Congo), forming the south-eastern distribution limit, and from the Dja River (middle Congo River basin), forming its north-eastern distribution border (Ref. 81678).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 32.6 cm SL maschio/sesso non determinato; (Ref. 81678)
Spine dorsali (totale) : 23 - 28; Raggi dorsali molli (totale) : 60 - 75; Spine anali: 2 - 3; Raggi anali molli: 61 - 83; Vertebre: 71 - 85. Diagnosis: 22+1 - 27+1 (median 24+1) dorsal spines; postorbital length relatively short, 53.3-62.6% HL (mean 58.2%); pectoral fin relatively long, 24.7-38.1% HL (mean 30.5%); distance from anterior border of snout to last externally visible dorsal spine 53.9-62.2% SL (mean 57.1%), decreasing with size; origin of soft dorsal fin at about same level as origin of soft anal fin; lower jaw length relatively short, 14.4-23.1% HL (mean 18.3%), increasing with size; origin of first dorsal spine situated before, below, or just posterior to posterior edge of pectoral fin, (-27.9)-2.0% HL [mean (-12.7%)]; distance from gill opening to dorsal pectoral fin base 4.3-9.6% HL (mean 6.9%) (Ref. 81678).
Body shape (shape guide): eel-like.
Maximum reported total length 388 mm (Ref. 81678).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Vreven, E.J. and G.G. Teugels, 1996. Description of a new mastacembelid species (Synbranchiformes; Mastacembelidae) from the Zaïre River basin in Africa. Copeia 1996(1):130-139. (Ref. 28147)
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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00269 (0.00127 - 0.00569), b=2.94 (2.76 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.8 ±0.6 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 (36 of 100). 🛈 |
Nutrienti (Ref. 124155) |
Calcium = 258 [126, 651] mg/100g; Iron = 2.23 [0.95, 4.84] mg/100g; Protein = 16.9 [15.1, 18.7] %; Omega3 = 0.268 [0.105, 0.667] g/100g; Selenium = 27.1 [7.0, 105.0] μg/100g; VitaminA = 72.1 [23.9, 221.8] μg/100g; Zinc = 1.75 [0.91, 3.65] mg/100g (wet weight); |