分类 / Names
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Teleostei >
Galaxiiformes (Southern smelts) >
Galaxiidae (Galaxiids) > Galaxiinae
Etymology: Galaxias: Greek, galaxias, ou = a kind of fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 溫帶; 10°C - 28°C (Ref. 2060)
Oceania: known only from Central Plateau of Tasmania in Lake Sorell, Lake Crescent, a tributary of Lake Crescent at Interlaken, and Clyde River, which is the outflow of Lake Crescent.
大洋洲: 已知只來自在湖 Sorell ，湖新月中的塔斯梅尼亞的中央高地了,一個湖新月的支流在 Interlaken, 與 Clyde 河是湖新月的流出。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 8 - ? cm
Max length : 24.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 44894); common length : 15.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 5259)
Facultative air-breathing in the genus (Ref. 126274); Lives in rocky areas and vegetated margins of lakes and streams (Ref. 5259), primarily in lakes preferring still or gently flowing waters (Ref. 51290, 44894). Adults prefer the shelter provided by complex habitats such as rocky lake shores and also in-lake macrophytes beds and marsh habitats (Ref. 51290). Juveniles occur in the water column until 4-5 months of age (40 mm in length) and then move inshore seeking shelter and larger prey items (Ref. 51290). Shoaling in open water when young (Ref. 44894). Feeds on insects, insect larvae and crustaceans (Ref. 5259, 44894) and mollusks with cannibalism of eggs and juvenile fish being common (Ref. 51290, 44894). Breeds in early spring among rocks in the shallows (Ref. 44894). Most fish live for 3-4 years with some reaching over 6 years of age (Ref. 51290).
生活在湖泊与溪流 (参考文献 5259) 的岩石区与长满植物边缘, 主要地在偏爱的湖中静止的或逐渐流动的水域.(参考文献 51290,44894) 成鱼偏爱由复杂栖息地提供是例如岩石的湖岸的庇护所以及在-湖大型植物床与湿地栖息地.(参考文献 51290) 稚鱼出现在水团直到年龄 (40 mm 长) 的 4-5 个月然后向海岸移动寻找庇护所与较大的猎物项目.(参考文献 51290) 游入开放水域的浅滩幼年时。 (参考文献 44894) 吃昆虫, 昆虫幼生与甲壳动物 (参考文献 5259,44894) ，而且軟體動物嗜食同類的普遍的卵與幼年的魚。 (參考文獻 51290,44894) 在初春之際在淺灘中的岩石之中繁殖於。 (參考文獻 44894) 大多數的魚活到 3-4 年有一些達到超過 6 歲.(參考文獻 51290)
大洋洲: 已知只來自在湖 Sorell ，湖新月中的塔斯梅尼亞的中央高地了,一個湖新月的支流在 Interlaken, 與 Clyde 河是湖新月的流出。
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. 130435)
濒危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 11 February 2019
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00205 - 0.01170), b=3.12 (2.91 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.44 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=1-2).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
