Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino; acqua dolce; salmastro demersale; amfidromo (Ref. 46888); distribuzione batimetrica 0 - 5 m (Ref. 86942). Tropical; 20°C - 30°C (Ref. 2060); 18°N - 25°S
Africa to Oceania: Madagascar to New Guinea, Australia and other islands of Melanesia.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 29.0 cm TL maschio/sesso non determinato; (Ref. 11344); peso massimo pubblicato: 171.00 g (Ref. 9162); peso massimo pubblicato: 171.00 g
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 8 - 9; Spine anali: 1; Raggi anali molli: 9. Body relatively large, stout and cylindrical with a dorsally flattened head; generally greenish brown with 8-10 dark bars across sides and large black blotch at base of pectoral fins; lower half of head tan or yellowish with 3-4 dark brown to reddish stripes radiating from lower part of eye (Ref. 44894).
Adults occur in fresh water, estuaries and inshore (Ref. 86252). Found in a variety of habitats including rivers, swamps, coastal streams and floodplains over mud bottoms, often among dense aquatic vegetation or the cover of undercut banks. They feed mainly on aquatic insects and nymphs, but also takes lesser amount of algae, other aquatic plants and small crustaceans. Pelagic larval stage is found in marine water, but adults are always found in freshwater (Ref. 44894).
Plant spawner.
Allen, G.R., S.H. Midgley and M. Allen, 2002. Field guide to the freshwater fishes of Australia. Western Australian Museum, Perth, Western Australia. 394 p. (Ref. 44894)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: pesca di sussistenza
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 26.6 - 29.3, mean 28.6 °C (based on 2159 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00424 - 0.01358), b=3.17 (3.00 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 2.6 ±0.2 se; based on diet studies.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Fec = 100,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
