Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Tropical; 1°S - 6°S
Asia and Oceania: Indonesia (Mamberamo river system in Irian Jaya) and Papua New Guinea (Ramu and Sepik river system). Often misidentified as Arius leptaspis, a closely related species from southern New Guinea.
Panjang pada saat jatuh tempo pertama / Ukuran / Berat / umur
Kematangan: Lm ?, range 25 - ? cm
Max length : 55.0 cm SL jantan/; (Ref. 2847); common length : 30.0 cm SL jantan/; (Ref. 9233); common length :30 cm SL (female); Berat maksimum terpublikasi: 1.7 kg (Ref. 9233); Berat maksimum terpublikasi: 1.7 kg
Duri punggung (Keseluruhan (total)) : 1; duri punggung lunak (Keseluruhan (total)) : 7; Duri dubur: 0; Sirip dubur lunak: 18 - 22.
Body shape (shape guide): elongated.
Prefers main river channels, but also occurs in lakes and on the floodplain. Feeds mainly on large crustaceans (Macrobrachium and Caridina), fishes, aquatic and terrestrial insects, nymphs and detritus. Occurs at temperatures ranging from 26 to 32°C. Mainly diurnal.
Mouthbrooders. Ovary or brood mass contains 15 to 75 ripe 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)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Traumatogenic (Ref. 58010)
penggunaan manusia
Perikanan: perikanan swasembada
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00468 (0.00244 - 0.00896), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.0 ±0.47 se; based on food items. |
Daya lenting (Acuan 120179) |
sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Moderate to high vulnerability (49 of 100). 🛈 |
kategori harga (Ref. 80766) |
Medium.
|