Classification / Names
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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Megalosciades: Named for the disproportionally large head of the type species in comparison to those observed in Sciades and close relatives.
More on author: Roberts.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical; 5°S - 9°S
Oceania: Fly River in Papua New Guinea.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm SL mâle / non sexé; (Ref. 2847)
Épines dorsales (Total) : 1; Rayons mous dorsaux (Total) : 7; Épines anales: 0; Rayons mous anaux: 20 - 22.
Inhabits river. Feeds exclusively on small fishes including clupeids, chanids and melanotaeniids.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
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
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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): 4.5 ±0.80 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): Moderate to high vulnerability (49 of 100).