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> Galaxiiformes (Southern smelts) > Galaxiidae (Galaxiids) > Galaxiinae
Etymology: Galaxias: Greek, galaxias, ou = a kind of fish (Ref. 45335).
Etymology: Galaxias: Greek, galaxias, ou = a kind of fish (Ref. 45335).
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水 底生の漂泳性. Temperate; 10°C - 28°C (Ref. 2060)
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
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.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm ?, range 8 - ? cm
Max length : 24.0 cm SL オス/雌雄の選別がない; (Ref. 44894); common length : 15.0 cm SL オス/雌雄の選別がない; (Ref. 5259)
Max length : 24.0 cm SL オス/雌雄の選別がない; (Ref. 44894); common length : 15.0 cm SL オス/雌雄の選別がない; (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).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター : Berra, Tim M. | 協力者
Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
絶滅危惧 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 11 February 2019
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
FAO - Publication: search | FishSource |
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モデルに基づく推定値
系統多様性指数 (参照 82804): PD50 = 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).
栄養段階 (参照 69278): 3.3 ±0.44 se; based on food items.
回復力 (参照 120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (tm=1-2).