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Teleostei >
Osmeriformes (Freshwater smelts) >
Retropinnidae (New Zealand smelts) > Retropinninae
Etymology: Retropinna: Latin, retro = backwards, on the back side + Latin, pinna = thorn (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水 居于水底的; 溯河洄游 (Ref. 51243). 亞熱帶的; 41°S - 44°S (Ref. 26213)
Oceania: Endemic to Tasmania.
大洋洲: 塔斯梅尼亞的特有種。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5259); common length : 5.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5259)
Inhabits estuaries and the lower reaches of coastal streams (Ref. 44894). Occurs in lowland streams, forming schools that feeds at or near the surface on insects and zooplankton. Found among the annual Tasmanian whitebait migrations in shoals with Lovettia seali and various galaxiids. Most of the life cycle is spent at the sea (Ref. 44894). The species is thought to have an anadromous life cycle involving upstream migration of adults from the sea prior to spawning. Newly hatched larvae are carried on tides out to sea where they develop to maturity (ref. 44894).
栖息于海岸溪流的河口与下面范围。 (参考文献 44894) 出现于低地的溪流, 形成群体那一个吃在或在昆虫与浮游动物上的接近水表面。 以 Lovettia seali 与各种不同的南乳鱼科鱼类在浅滩中发现于一年一次的塔斯梅尼亚的白鱼科的鱼回游中了。 大部分的生命周期在海洋被花费.(参考文献 44894) 此鱼种被认为包括在产卵之前是距离海洋的成鱼的溯溪回游的具有一个溯河洄游产卵的生命周期。 最近孵化仔鱼在潮向外到海洋上是被运的在那里它们对成熟 (参考文献 44894) 发育.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
大洋洲: 塔斯梅尼亞的特有種。
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
人类利用
渔业: 没有兴趣; 诱饵: usually
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6406 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.42 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
