Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical; 3°S - 6°S
Oceania: lower and middle Sepik and Ramu river systems in Papua New Guinea.
Length at first maturity / Size / Vikt / Age
Maturity: Lm ?, range 17 - ? cm
Max length : 30.0 cm SL hane/ej könsbestämd; (Ref. 2847)
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 7; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 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
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Verktyg
Special reports
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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): 2.9 ±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): Low to moderate vulnerability (27 of 100).
