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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Megalosciades: Named for the disproportionally large head of the type species in comparison to those observed in Sciades and close relatives.
More on author: Roberts.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical; 5°S - 9°S
Oceania: Fly River in Papua New Guinea.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm SL macho/indeterminado; (Ref. 2847)
Espinhos dorsais (total) : 1; Raios dorsais (total) : 7; Espinhos anais: 0; Raios anais : 20 - 22.
Inhabits river. Feeds exclusively on small fishes including clupeids, chanids and melanotaeniids.
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-2)
Ameaça para os humanos
Traumatogenic (Ref. 58010)
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.5 ±0.80 se; based on food items.
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).