分類 / 名前
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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.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 新鮮な水; 汽水性の pelagic-neritic; 降流性の (Ref. 138274). Subtropical; 9°C - 27°C (Ref. 2906); 26°S - 33°S
Oceania: Georges River northwards to the Burnett River in Australia.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 38.0, range 36 - 40 cm
Max length : 81.0 cm TL オス/雌雄の選別がない; (Ref. 2906); common length : 35.0 cm NG オス/雌雄の選別がない; (Ref. 2906); 最大公表体重: 7.5 kg (Ref. 2906); 最大記録サイズ: 14 年 (Ref. 44894)
Adults 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).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Merrick, J.R. and G.E. Schmida, 1984. Australian freshwater fishes: biology and management. Griffin Press Ltd., South Australia. 409 p. (Ref. 2906)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産養殖: 商業
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01175 (0.00558 - 0.02474), b=2.95 (2.78 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
2.3 ±0.20 se; based on food items. |
回復力 (参照 120179) |
低い, 4.5年~14年の倍増期間の最小個体群 (tm=4; tmax=14; Fec=1.1 million). |
漁業の脆弱性 (Ref. 59153) |
High vulnerability (55 of 100). 🛈 |