分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Galaxiiformes (Southern smelts)
胡瓜魚目 (Southern smelts) >
Galaxiidae (Galaxiids)
南乳魚科 (Galaxiids) > Galaxiinae
Etymology: Galaxias: Greek, galaxias, ou = a kind of fish (Ref. 45335).
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 亞熱帶的; 44°S - 45°S
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Oceania: known only from Lake Pedder and Lake Gordon in southern Tasmania, Australia.
大洋洲: 在南方的塔斯梅尼亞，澳洲中已知只來自湖小販與湖戈登了。
Length at first maturity / 大小 / 重量 / 年齡
成熟度: Lm ?, range 10 - ? cm
Max length : 16.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 44894); common length : 8.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 5259)
Facultative air-breathing in the genus (Ref. 126274); Lives in rocky lake margins and occurs to a lesser extent around submerged vegetation and log snags. Usually around rocks and boulders on lake margins in darkly tannin-stained water. Juveniles shoal in open water near lake margins. Spring spawning occurs in small feeder streams. Eggs are deposited in sheltered positions among vegetation, rocks or woody debris and take about 3-4 weeks to hatch. Sexual maturity is reached after the second year but most fish breed in their third or fourth year (Ref. 44894). Feeds on crustaceans and insect larvae. Spawning probably occurs in spring as juveniles are numerous during summer months.
生活在湖邊岩石而且水中植物與圓木斷枝的周圍對較少的範圍出現。 吃甲殼動物與昆蟲幼生。 可能在春天產卵稚魚時是很多的在夏天數個月期間。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
In captivity, eggs are deposited under flat rocks as well as underneath aquatic vegetation and submerged driftwood.大洋洲: 在南方的塔斯梅尼亞，澳洲中已知只來自湖小販與湖戈登了。
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
瀕危 (EN) (B2ab(v)); Date assessed: 11 February 2019
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00206 - 0.01165), b=3.12 (2.91 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.4 ±0.45 se; based on food items.
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Fec=200-1,200).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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