Congo (Brazzaville) country information

Common names: [No common name]
Occurrence: misidentification
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Reported from Majumba (Ref. 113968), but presence unconfirmed in Ref. 57415 or 81678.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Sauvage, H.E., 1884
National Database:

Common names from other countries

Nwong, Ruskopuikkokala, 隐棘盲刺鳅, ... more

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Synbranchiformes (Spiny eels) > Mastacembelidae (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335).
More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce demersal. Tropical; 24°C - 30°C (Ref. 12468)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Africa: Ouémé basin (Benin) (Ref. 57415, 81678) up to the Ntem (Cameroon) (Ref. 81678), including the Lake Chad basin (Ref. 57415). Also known from Bioko Island (formerly Fernando Poo) in Equatorial Guinea (Ref. 81678). Reported from the middle Congo River basin (Ref. 6060, 46252), but this is questionable and unconfirmed in Ref. 57415 or 81678.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 34.5 cm SL macho / no sexado; (Ref. 57415)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 24 - 33; Radios blandos dorsales (total) : 93 - 143; Radios blandos anales: 90 - 140; Vértebra: 95 - 118. Diagnosis: distance from tip of snout to last externally visible dorsal spine relatively short, 43.2-57.9% SL, decreasing with size (Ref. 57415, 81678). Postanal length relatively long, 44.1-58.3, increasing with size (Ref. 57415, 81678), comparable to or longer than preanal length, 40.0-51.8% SL (m=46.6)(Ref. 57415, 81678). Distance from tip of snout to last externally visible anal spine relatively short, 44.3-57.3 SL, decreasing with size (Ref. 57415, 81678). 1st dorsal spine situated clearly posterior to posterior edge of pectoral fin (Ref. 57415), distance from posterior edge of pectoral fin to origin of first dorsal spine 8.9-89.3% HL (Ref. 57415, 81678). Gill opening small, its distance to dorsal pectoral fin base relatively long, 8.3-14.9% HL (mean 11.5%); 23+1 to 32+1 (median 27+1) dorsal spines (Ref. 81678). Distance from anterior border of snout to first anal spine 42.1-53.5% SL (m=48.2), decreasing with size (Ref. 57415).

Maximum reported total length 354mm (Ref. 57415, 81678).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Vreven, E.J., 2003. Mastacembelidae. p. 708-737 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. 57415)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 04 June 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Fuentes de Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00257 (0.00122 - 0.00544), b=2.97 (2.79 - 3.15), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.8 ±0.6 se; based on size and trophs of closest relatives

Resiliencia (Ref. 120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (32 of 100).

Mastacembelus cryptacanthus Günther, 1867