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> Centrarchiformes (Basses) > Percalatidae (Australian basses)
Etymology: More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water; brak water demersaal; katadroom (Ref. 123463). Temperate; 10°S - 40°S

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Oceania: Endemic to eastern and southern Australia.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 75.0 cm SL mannelijk / geslacht onbekend; (Ref. 44894); common length : 40.0 cm SL mannelijk / geslacht onbekend; (Ref. 5259); max. gepubliceerd gewicht: 10.0 kg (Ref. 5259); max. gerapporteerde leeftijd: 40 Jaren (Ref. 123463)

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Dorsale stekels (totaal) : 9 - 10; Dorsale zachte stralen (totaal) : 8 - 11; Anale stekels: 3; Anale zachte stralen: 7 - 9; Wervels: 25. Dark gray on back, becoming paler below with overall silvery sheen; lower sides and belly whitish; fins dusky brown to dark brown, darker distally (except pecorals).

An estuary-dependent catadromous fish inhabiting the tidal reaches of rivers, lakes and coastal lagoons where it is found (Ref. 7300, 123463); with salinities less than 1-2 ppt (Ref. 5259). Popular angling species that tends to swim near the bottom in deeper water. Feeds on small fishes, molluscs, worms, shrimps and other crustaceans. During winter (July and August) they move to the mouth of estuaries to breed (Ref. 44894). Individuals are long lived, reaching to more than 40 years (Ref. 123463). Oviparous, egg is pelagic (Ref. 5259) and hatches in 2-3 days. Male reaches maturity at a length of about 22 centimeters; female at about 28 centimeters (Ref. 44894).

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Adults move downstream prior to spawning (Ref. 5259).

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 15 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel; sportvis: ja

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01096 (0.00423 - 0.02842), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.5 ±0.5 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): High vulnerability (57 of 100).

Prijsklasse (Ref. 80766): Unknown.

Percalates colonorum (Günther, 1863)