分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Osmeriformes (Freshwater smelts)
胡瓜魚目 (Freshwater smelts) >
Retropinnidae (New Zealand smelts)
後鰭魚科 (New Zealand smelts) > Retropinninae
Etymology: Retropinna: Latin, retro = backwards, on the back side + Latin, pinna = thorn (Ref. 45335).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的; 溯河洄游 (Ref. 51243). 亞熱帶的; 34°S - 47°S (Ref. 26213)
Southwest Pacific: endemic to New Zealand.
西南太平洋: 紐西蘭的特有種。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 8.6 cm FL 雄魚/尚未辨別雌雄; (Ref. 13730)
Migrates into estuaries and lower reaches of rivers during spring.
游進河口與河川下游內春天時。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西南太平洋: 紐西蘭的特有種。
McDowall, R.M., 1990. Freshwater fishes and fisheries of New Zealand -The angler's el dorado. Aquat. Sci. 2(2):281-341. (Ref. 11115)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 10 July 2014
人類使用
漁業: 沒有興趣; 誘餌: 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).
營養階層 (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).