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> Synbranchiformes (Spiny eels) > Synbranchidae (Swamp-eels)
Etymology: Monopterus: Greek, monos = one, unique + Greek, pteron = fin (Ref. 45335).
More on author: Pellegrin.

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

; sötvatten bottenlevande. Tropical

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Africa: Sierra Leone and Monrovia, Liberia (Ref. 57291, 116049). Reported also from Côte d'Ivoire (Ref. 2828), but its identification is unclear as the specimen has clearly visible eyes (Ref. 116049).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 34.0 cm TL hane/ej könsbestämd; (Ref. 57291)

Short description Morfologi | Morfometri

Diagnosis: body naked, slender, elongated and cylindrical, ending in a very tapering point; the caudal part of the body makes less than one third of the total length; no trace of paired or unpaired fins; eye atrophied, deep-set under skin, practically invisible from the outside; conical teeth on jaws and palate; gill opening minute, reduced to a median ovate pore, surrounded with longitudinal skin folds; 4 branchiostegal rays; 3 branchial arches without branchial lamellae; lateral line present; vertebral count: 140-144 abdominal and 39-45 caudal (Ref. 57291). Colouration: uniformly dark (Ref. 57291).

Obligate air-breathing (Ref. 126274); Contrary to what is suggested by its morphology, this species is not cavernicolous; it burrows in mud, never very far from the sea (Ref. 57291). The male guards and builds nest or burrow (Ref. 205).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

The male guards and builds nest or burrow (Ref. 205).

Main reference Upload your references | referenser | Koordinator : Fávorito, Sandra | Medarbetare

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)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 30 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri:

FAO - Publication: search | FishSource |

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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=0.00085 (0.00039 - 0.00184), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (24 of 100).

Price category (Ref. 80766): Unknown.

Monopterus boueti (Pellegrin, 1922)