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Centrarchiformes (Basses) >
Terapontidae (Grunters or tigerperches)
Etymology: Scortum: Latin, scortum = harlot (Ref. 45335).
Eponymy: Walter Hill (1820–1904) was a Scottish botanist who became the first Curator (aka Superintendent) of the Brisbane Botanical Gardens. [...] (Ref. 128868), visit book page.
More on author: Castelnau.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bottenlevande; flodvandrande (Ref. 51243). Tropical; 17°S - 23°S
Oceania: Endemic to Australia. Known from the northern Gulf of Carpentaria drainages, Queensland, Australia; Norman, Dawson and Fitzroy Rivers.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 35.0 cm SL hane/ej könsbestämd; (Ref. 44894); common length : 25.0 cm SL hane/ej könsbestämd; (Ref. 5259); publicerad maxvikt: 1.0 kg (Ref. 2906)
Adults inhabit a variety of conditions ranging from brackish estuaries to clear or turbid flowing streams and still pools. Usually in schools feeding on benthic mussels and algae (Ref. 5259, 44894). Temp. range: 12-37.5°C (Ref. 7318, 44894). Form shoals near the bottom (Ref. 44894). Spawn in summer floods (November, water temp. of 26-28°C) after nocturnal upstream migration. Eggs are guarded and fanned by the male parent (Ref. 205). Maturity: M, 25 cm SL; F, >30 cm SL; 50,000 eggs per kg; non-adhesive eggs, 2.5-4.0 mm diameter (Ref. 7317).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Eggs are guarded and fanned by the male parent (Ref. 205).
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Mänskliga användningsområden
Fiskeri: saknar intresse
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00632 - 0.04360), b=2.99 (2.76 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.5 ±0.20 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (33 of 100).
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