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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 居于水底的. 亞熱帶的; 42°S - 43°S
Oceania: known only in Clarence Lagoon and tributaries and the upper reaches of the Clarence River, which is part of the Derwent River system of Tasmania, Australia.
大洋洲: 已知的只在克拉倫潟湖與支流與克拉倫河的上游中, 是塔斯梅尼亞，澳洲的德文特河河流域的部份。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 44894); common length : 7.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 5259); 最大体重: 20.00 g (Ref. 30189)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 10 - 12; 臀棘: 0; 臀鳍软条: 11 - 13; 脊椎骨: 53 - 54. Scales completely absent (Ref. 30189). Dark brown dorsal surface, irregular dark brown bars and bands extending down sides, ventral surface yellow-cream in color (Ref. 30189).
鳞片完全地不存在。 (参考文献 30189) 深褐色的背面, 不规则的深褐色的横带与条纹延伸下来侧边, 腹面黄色-乳黄色的颜色.(参考文献 30189)
Facultative air-breathing in the genus (Ref. 126274); Found in shelter of rocks and boulders in lacustrine habitats, also found in swamps and streams draining in and out of lakes (Ref. 44894). Adults occur in the rocky margin of Clarence Lagoon, its outlet stream and several tributaries that flow into the lake. Adults feed on benthic crustaceans while juveniles feed partly on planktonic crustaceans, and insects and their larvae (Ref. 30189, 44894). Very secretive species, darts for cover under boulders if disturbed. The entire life cycle (may live for up to four years) takes place in fresh water. Adults move into inlet streams to spawn in spring. The demersal eggs take about 2 months to hatch. Fry reside in open surface waters of the lake (Ref. 44894).
发现于在湖泊的栖息地的岩石庇护所与大圆石, 也发现于沼泽，而且排水沟的溪流在湖中来回进出。 (参考文献 44894) 成鱼出现在克拉伦舄湖的岩石的边缘, 它的出口水流与流入湖中的一些支流。 成鱼吃底栖的甲壳动物，而稚鱼吃部分在浮游性甲壳动物 , 与昆虫与他们的幼体上。 (参考文献 30189,44894) 非常躲躲藏藏的种, 为在大圆石下面的表面冲出如果扰乱的。 整个的生命周期 (可能活到向上到四年) 发生于淡水。 成鱼移进中小水湾溪流到产卵于春天中。 沉性卵大约 2个月花孵化。 鱼苗归湖的開放水表面所有。 (參考文獻 44894)
Oviparous. Spawn in spring (Ref. 30189).大洋洲: 已知的只在克拉倫潟湖與支流與克拉倫河的上游中, 是塔斯梅尼亞，澳洲的德文特河河流域的部份。
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,iv)+2ab(iii,iv)); 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): 3.2 ±0.40 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=2; Fec=300).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
