Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical; 1°S - 6°S
Asia and Oceania: Irian Jaya in Indonesia (Mamberamo river system) and Papua New Guinea (Ramu and Sepik river systems).
Length at first maturity / Size / Vikt / Age
Maturity: Lm ?, range 19 - ? cm
Max length : 60.0 cm SL hane/ej könsbestämd; (Ref. 2847); common length : 35.0 cm SL hane/ej könsbestämd; (Ref. 9233); common length :35 cm SL (female); publicerad maxvikt: 1.8 kg (Ref. 9233); publicerad maxvikt: 1.8 kg
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 7; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 19.
Prefers lakes, but also occurs in the main river channels. Enters floodplains occasionally. Occurs at temperatures ranging from 26 to 32°C. Mainly diurnal. Feeds on large crustaceans such as Macrobrachium, large insects and nymphs, fishes (usually Ophieleotris aporos), leeches, earthworms, plants and detritus.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Mouthbrooders. Brood mass contains 8 to 85 eggs (Ref. 2847).
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Fiskeri: husbehovsfiske
Verktyg
Special reports
Download XML
Internet-källor
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [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).
Trofisk nivå (Ref.
69278): 3.0 ±0.36 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
