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Galaxiiformes (Southern smelts) >
Galaxiidae (Galaxiids) > Galaxiinae
Etymology: Brachygalaxias: Greek, brachys, eia = short + Greek, galaxias = a fish (Ref. 45335).
Eponymy: Professor Dr Dillman Samuel Bullock (1878–1971) was an agriculturalist, naturalist and Methodist missionary. [...] (Ref. 128868), visit book page.
More on author: Regan.
Taxonomic Remarks
Includes B. gothei Busse (1982) which was considered a junior synonym of G. bullocki by Berra et al. (1995). See McDowall (1971b) for detailed description. Occasionally kept as an aquarium species.
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; 15°C - 20°C (Ref. 2060); 35°S - 42°S (Ref. 79894)
South America: Central Chile from about Talca south to Chiloé Island.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 5.5 cm SL オス/雌雄の選別がない; (Ref. 34281)
Facultative air-breathing in the genus (Ref. 126274); Breeding activity occurs from June to September (Ref. 33843).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Berra, T.M., 2003. Family Galaxiidae (Galaxiids). p. 503-506. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 79894)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
絶滅危惧 (EN) (A2ce+3ce+4ce); Date assessed: 30 April 2024
人間の用途
用具
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00360 - 0.01526), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (参照
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Fec=50).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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