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Distichodus engycephalus Günther, 1864

Perch
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Image of Distichodus engycephalus (Perch)
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drawing shows typical species in Distichodontidae.


Mali country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Present in Upper Niger and Inner Niger Delta (Ref. 2936, 86396). Also known from Upper Senegal (Ref. 86396).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ml.html
National Fisheries Authority: http://www.orleans.ird.fr/~pechedcn/
Occurrences: Occurrences Point map
Main Ref: Gosse, J.P., E.J. Coenen and G.G. Teugels, 2003
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
  More on author: Günther.

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

; Água doce demersal.   Tropical

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Africa: present from Senegal to Cameroon, in Lake Chad basin and Nile River (Ref. 81638). Reported in the Senegal (Ref. 7094, 86396), Niger, Volta, Ogun, Chad (Ref. 2936, 86396), Cross (Ref. 2936, 7094, 81638, 86396) and Wouri (Ref. 2936, 7094) River basins.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL macho/indeterminado; (Ref. 2936); peso máx. Publicado: 1.5 kg (Ref. 3799)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 20 - 28; Espinhos anais: 0; Raios anais moles: 13 - 17. Diagnosis: mouth inferior; body depth 2.6-3.4x and head length 4.0-5.4x SL; caudal peduncle length <= its depth; eye diameter 3.5 (juveniles)-5.7x head length; 11-12 scales between lateral line and scaly process at bases of pelvic fins; juveniles with numerous small, dark, eye-sized, spots on sides (Ref. 2936, 86396). No round humeral spot, no vertical bars (Ref. 81638). 73-86 (Ref. 81638) or 75-86 (Ref. 86396) lateral line scales. 14-16 (Ref. 81638) or 15.5-16.5 (Ref. 86396) scales between dorsal fin and lateral line. 20-28 (Ref. 81638) or 22-27 (Ref. 86396) total dorsal fin rays. 13-17 (Ref. 81638) or 13-16 (Ref. 86396) total anal fin rays.

Biologia     Glossário (ex. epibenthic)

Maximum TL was recorded at 50 cm; prefers flowing water over rocky bottoms (Ref. 7094). Feeds on vegetation and periphyton (Ref. 28714).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Gosse, J.-P. and E.J. Coenen, 1990. Distichodontidae. p. 237-260. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren and O.R.S.T.O.M., Paris, 384 p. (Ref. 2936)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Preocupação menor (LC) ; Date assessed: 20 October 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

Pescarias: espécies comerciais
FAO(Publication : search) | FishSource |

Mais informação

Trophic ecology
Itens alimentares
Diet compositions
Food consumptions
Food rations
Predadores
Ecology
Ecologia
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Population dynamics
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Length-weight rel.
Length-length rel.
Frequência de comprimento
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Abundances
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Reprodução
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Fecundities
Spawnings
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Egg(s)
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Physiology
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Tipo de natação
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
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Ciguatera cases
Stamps, coins, misc.
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Referências

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Fontes da 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=0.02188 (0.00867 - 0.05518), b=3.03 (2.81 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  2.0   ±0.00 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (39 of 100).
Categoria de preço (Ref. 80766):   Unknown.