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Mastacembelus praensis (Travers, 1992)
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drawing shows typical species in Mastacembelidae.
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drawing shows typical species in Mastacembelidae.
Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
> Synbranchiformes (Spiny eels) > Mastacembelidae (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335).
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range Écologie
; eau douce benthopélagique. Tropical
Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Africa: discontinuous distribution: from Cavally (Liberia-Ivory Coast border) to Sassandra basins (Ivory Coast) and from Bia (Ivory Coast) to Densu River basins (Ghana); also recorded from the inner Niger River delta (Mali) (Ref. 57415).
Taille / Poids / Âge
Description synthétique Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 24 - 28; Rayons mous dorsaux (Total) : 84 - 103; Rayons mous anaux: 70 - 91; Vertèbres: 88 - 97. Diagnosis: 23+1 up to 27+1 (median 25+1) dorsal spines; distance from anterior border of snout to last externally visible dorsal spine relatively short, 46.2-52.5% SL (m=49.6), increasing with size; distance from posterior edge of pectoral fin to anterior origin of 1st dorsal spine between (-8.1) and 10.4% HL (m=1.0); no pre-orbital or pre-opercular spines; snout with a more blunted appearance; distance from anterior border of snout to last externally visible dorsal spine smaller than distance from anterior border of snout to last externally visible anal spine, which is 51.8-59.3% SL (m=56.3), both decreasing with size; post-anal length 44.3-51.6% SL (m=47.7), smaller than pre-anal length, becoming equal to latter with increasing size, 47.0-53.6% SL (m=51.1); 9-11 caudal fin rays; 5-7 predorsal vertebrae; 34-38 abdominal vertebrae; 3-8 in-between vertebrae; 52-60 caudal vertebrae (Ref. 57415).
Coloration: uniformly light brown overall background colour; dorsal midline with a series of small, dark brown spots; not well contrasted dark brown band originating at base of rostral appendage, passing through eye, above pectoral fin and continuing along lateral side of body and tail; indeed, a battlement pattern delimiting upper edge is still discernable at some places; lower sides of body and tail lighter brown, yellowish, with small, irregularly shaped yellowish white spots; ventral side of head, belly and abdomen uniformly yellowish-white; dorsal, caudal and anal fins white of overall background colour; dorsal and anal fin base with a series of dark brown spots; dorsal fin base brown, diminishing contrast between dorsal-fin base series of dark brown spots with remaining part of dorsal-fin base; dorsal fin with some small, irregularly disposed, dark brown, spots; caudal fin with a vertical, dark brown, bar towards outer margin of fin; nevertheless, caudal fin with a white outermost margin; in addition, unpaired fins quite white of overall general appearance; pectoral fins white of overall background colour with a few dark brown spots; colour pattern changes with size, notably a general darkening of unpaired fins; nevertheless, outermost margin of unpaired fins remains white; in addition, small dark brown spots situated towards distal part of unpaired fins form a more or less continuous band; sometimes, brown spots at base of anal fin may contact dark brown, black band resulting in a series of yellowish, white or light brown spots at base of anal; colour pattern of M. praensis shows close affinity with that of M. nigromarginatus (Ref. 57415).
Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Référence principale
Upload your references | Références | Coordinateur | Collaborateurs
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Préoccupation mineure (LC) ; Date assessed: 30 November 2019
CITES
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
FAO - Publication: search | FishSource |
Plus d'informations
Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Ecology
Écologie
Écologie
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Anatomy
Surface branchiale
Brain
Otolith
Surface branchiale
Brain
Otolith
Physiology
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Génétique
Heterozygosity
Héritabilité
Génétique
Heterozygosity
Héritabilité
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outils
E-book | Guide de terrain | Clés d'identification | Générateur de fréquences de longueur | Outil de dynamique de population | Carte par point | Classification Tree
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Sources Internet
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record
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=0.00269 (0.00128 - 0.00564), b=2.94 (2.76 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (33 of 100).