Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical; 3°S - 6°S
Oceania: lower and middle Sepik and Ramu river systems in Papua New Guinea.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm ?, range 17 - ? cm
Max length : 30.0 cm SL mâle / non sexé; (Ref. 2847)
Épines dorsales (Total) : 1; Rayons mous dorsaux (Total) : 7; Épines anales: 0; Rayons mous anaux: 18 - 21.
Occurs primarily on the floodplain and in permanent lakes, occasionally encountered in river channels, but in low numbers. Feeds on small crustaceans, aquatic insect larvae and nymphs, terrestrial insects, plants, detritus, gastropods, leeches and worms (Ref. 2847).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Mouthbrooders. A typical brood mass contains 8 to 30 eggs (Ref. 2847).
Marceniuk, A.P., C. Oliveira and C.J. Ferraris Jr., 2023. A new classification of the family Ariidae (Osteichthyes: Ostariophysi: Siluriformes) based on combined analyses of morphological and molecular data. Zool.J. Linn. Soc. 200(2):426-476. (Ref. 130933)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Traumatogenic (Ref. 58010)
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
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).
Niveau trophique (Ref.
69278): 2.9 ±0.36 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
