Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical; 3°S - 6°S
Oceania: endemic to Sepik and Ramu rivers in Papua New Guinea.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm ?, range 36 - ? cm
Max length : 75.0 cm SL macho/indeterminado; (Ref. 2847); common length : 45.0 cm SL macho/indeterminado; (Ref. 9233); common length :45 cm SL (female); peso máx. Publicado: 5.0 kg (Ref. 9233)
Espinhos dorsais (total) : 1; Raios dorsais moles (total) : 7; Espinhos anais: 0; Raios anais moles: 19 - 21.
Found in rivers only. Occurs at temperatures ranging from 26 to 32°C. Mainly diurnal. Feeds mainly on fine and coarse detritus, other plant material (particularly seeds and small pieces of bark), and especially prawns. Also preys on aquatic insects and nymphs, fishes, worms and leeches (Ref. 2847).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Mouthbrooder.
Coates, D., 1991. Biology of fork-tailed catfishes from the Sepik River, Papua New Guinea. Environ. Biol. Fishes 31(1):55-74. (Ref. 9233)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Traumatogenic (Ref. 58010)
Utilização humana
Pescarias: pescarias de subsistência
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [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): 3.0 ±0.41 se; based on food items.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).