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Gadopsis marmoratus  Richardson, 1848

River blackfish
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Gadopsis marmoratus
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) > Percichthyidae (Temperate perches)
Etymology: Gadopsis: Latin, gadus = a fish, cod? + Greek,opsis = appearance (Ref. 45335).   More on author: Richardson.

环境 / 气候 / 范围 生态学

; 淡水 底中水层性.    5°C - 20°C (Ref. 2060), preferred ?

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Oceania: endemic to south-eastern Australia, including Tasmania (Ref. 5259). Mictochodrial 12S rRNA sequences support that G. marmoratus complex consists of two northern and southern forms (Ref. 54370).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5259); common length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5259)

生物学特性     字汇 (例如 epibenthic)

Lives in clear, flowing streams with abundant cover (Ref. 5259, 44894). Prefers streams with gravel bottoms and abundant snags. Also occurs in lakes and reservoirs (Ref. 5259). Tolerant of slightly brackish conditions (10 p.p.t.) in the tidal reaches of rivers, and a temperature range of 5°-25°C. Home-ranging; remaining within about a 20-30 meters stretch of water throughout the life span (Ref. 44894). Feeds on insects, crustaceans and small fishes (Ref. 5259) ; also on mollusks (Ref. 2156). The spawning season runs from November to January. A popular angling species in the south, but large fish are rare. Highly susceptible to overfishing, due to its home-ranging behavior and low fecundity (Ref. 44894). Flesh is oily and not very good eating.

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 : Arratia, Gloria | 合作者

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

世界自然保护联盟红皮书 (Ref. 115185)

  不评价 

CITES (Ref. 94142)

Not Evaluated

对人类的威胁

 




人类利用

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