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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
Sinh thái học
Biển; Nước ngọt; Thuộc về nước lợ; Di cư sông biển (để đẻ trứng) (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 / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 38.0, range 36 - 40 cm
Max length : 81.0 cm TL con đực/không giới tính; (Ref. 2906); common length : 35.0 cm NG con đực/không giới tính; (Ref. 2906); Khối lượng cực đại được công bố: 7.5 kg (Ref. 2906); Tuổi cực đại được báo cáo: 14 các năm (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 2024-2)
Threat to humans
Harmless
Human uses
Nuôi trồng thủy sản: Tính thương mại
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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).
Mức dinh dưỡng (Ref.
69278): 2.3 ±0.20 se; based on food items.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (tm=4; Fec=1.1 million).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).