Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; eau douce; saumâtre démersal; pH range: 7.5 - 8.2; dH range: 18 - 30; anadrome. Tropical; 24°C - 32°C (Ref. 2059); 3°S - 19°S
Western Pacific: northern Australia and southern New Guinea.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm SL mâle / non sexé; (Ref. 44894)
Épines dorsales (Total): 1; Rayons mous dorsaux (Total): 7; Épines anales 0; Rayons mous anaux: 15 - 19
Adults inhabit freshwater rivers and lagoons, as well as brackish estuaries and coastal marine waters. Can tolerate temperatures from 11°C to 38°C. Large groups of juveniles are often encountered (Ref. 44894). Feed on arthropods, insects, aquatic plants, mollusks, prawns, crayfish, fishes and bottom detritus. Nest is constructed among gravel where eggs are deposited forming a mound (Ref. 205). The only species among oral incubating ariids exhibiting no parental care (Ref. 205). Breeding takes place from September to February (Ref. 44894). Marine populations of A. graeffei appear to undertake extensive anadromous migrations associated with breeding, but no such movements were observed in the fluviatile population studied (Ref. 38559).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Nest is constructed among gravel where eggs are deposited forming a mound (Ref. 205). The only species among oral incubating Ariidae exhibiting no parental care (Ref. 205).
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Traumatogenic (Ref. 58010)
Utilisations par l'homme
Plus d'informations
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Estimates based on models
Preferred temperature (Ref.
123201): 26.7 - 28.7, mean 27.9 °C (based on 270 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00384 - 0.01719), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.2 se; based on diet studies.
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).
