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Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Arnoldichthys: Because of Johann Pane Arnold, born in Germany, 1869-1952 (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce pelágico(a,os,as); pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 23°C - 28°C (Ref. 1672)
Africa: lower Niger and Ogun rivers in Nigeria (Ref. 2880, 81279).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL macho/indeterminado; (Ref. 2880)
Espinhos anais: 0; Raios anais moles: 14. Diagnosis: scales distinctly larger above than below lateral-line; 8 teeth in outer tooth row of upper jaw; parietal fontanel absent (Ref. 2880, 81279).
Feeds on worms, insects and crustaceans. In aquaria, female lays up to 1000 eggs, after vigorous driving by the male, which hatch in 30 to 34 hours (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 100 cm (Ref. 51150).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Paugy, D., 1990. Characidae. p. 195-236. 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 et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: espécies comerciais; Aquário: Espécies comerciais
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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): 3.1 ±0.32 se; based on food items.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Fec=1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).