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Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Micralestes: Greek, mikros = small + Greek,lestes = thief (Ref. 45335).
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce pelágico(a,os,as). Tropical
Africa: middle Congo River and Lualaba River in Democratic Republic of the Congo (Ref. 42032), and Mweru-Luapula and Bangweulu-Chambeshi areas (upper Congo River basin) in Democratic Republic of the Congo (Ref. 42032) and Zambia (Ref. 95585).
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 9.5 cm SL macho/indeterminado; (Ref. 42112)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 2; Raios dorsais moles (total) : 8; Espinhos anais: 3; Raios anais moles: 15 - 17. Body height 3.5-3.95 times in standard length (Ref. 42032). Head length 3.75-4.1 times in standard length (Ref. 42032). Cuspid number: on external row of upper jaw 4-5, on internal row of upper jaw 6-7, on external row of lower jaw 4-8, on internal row of lower jaw 1 (Ref. 42032). Black mediolateral band starting behind operculum, quickly enlarging towards the back and ending at the origin of the caudal fin (Ref. 42032). Mediolateral band silvery in live specimens (Ref. 42032). Base of flank scales often blackish, especially the scales of the lateral line (Ref. 42032). Fins without black spot, sometimes greyish (Ref. 42032).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Paugy, D., 1984. Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 5331)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
