Teleostei (teleosts) >
Mugiliformes (Mullets) >
Mugilidae (Mullets)
Eponymy: Mr. Petard (forename not known) sent fishes to Castelnau that he had collected from the Richmond River, New South Wales, including the type of this one. (Ref. 128868), visit book page.
More on author: Castelnau.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; pelagic-neritic; catadromous (Ref. 51243). Subtropical; 9°C - 27°C (Ref. 2906); 26°S - 33°S
Oceania: Georges River northwards to the Burnett River in Australia.
Length at first maturity / Size / Weight / Age
Maturity: Lm 38.0, range 36 - 40 cm
Max length : 81.0 cm TL male/unsexed; (Ref. 2906); common length : 35.0 cm NG male/unsexed; (Ref. 2906); max. published weight: 7.5 kg (Ref. 2906); max. reported age: 14 years (Ref. 44894)
Often occur in small groups in deep pools where stream flow is slow. Inhabit deep, gently flowing sections of rivers. Also occur in estuaries and coastal seas during spawning runs. Tolerant of temperatures between 9° and 27°C. Form small shoals (Ref. 44894). Mainly herbivorous. Feed on filamentous green algae, microscopic plants and animals as well as detritus. Also consume benthic invertebrates. Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Spawn in estuaries or at sea following a downstream migration in summer. Peak spawning activity is in February. Sexual maturity is reached after 4 years at a length of about 30 centimeters. Maximum life span is approximately 14 years (Ref. 44894).
Merrick, J.R. and G.E. Schmida, 1984. Australian freshwater fishes: biology and management. Griffin Press Ltd., South Australia. 409 p. (Ref. 2906)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Aquaculture: commercial
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00555 - 0.02485), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.3 ±0.20 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (tm=4; Fec=1.1 million).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
