分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Eupercaria/misc (Various families in series Eupercaria)
鱸形目 (Various families in series Eupercaria) >
Haemulidae (Grunts)
仿石鱸科 (Grunts) > Haemulinae
Etymology: Brachygenys: Name from Greek βραχυζ (Brachy), short and ϒενυζ (genys), chin; referring to the small snout of the these species.
Eponymy: Jessie Jordan née Knight (1866–1952) was the second wife of the senior author, David Starr Jordan (see Jordan, DS). (Ref. 128868), visit book page.
More on authors: Jordan & Bollman.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 礁區魚類; 深度上下限 3 - 18 m (Ref. 5227), usually 3 - 11 m (Ref. 5227). 熱帶
Southeast Pacific: endemic to the Galapagos Islands.
東南太平洋: 加拉巴哥群島的特有種。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 11482)
Forms large daytime aggregations along walls and over rocky slopes, often in somewhat protected areas (Ref. 5227).
形成大的白天群集沿著牆壁與在岩石斜坡之上, 常見於略微遮蔽的區域中.(參考文獻 5227)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, distinct pairing during breeding (Ref. 205).東南太平洋: 加拉巴哥群島的特有種。
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
易受傷害 (VU) (B2ab(iii,v)c(iv); D2); Date assessed: 15 September 2022
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基於模型的估計
首選溫度 (參考文獻
123201): 23.5 - 24.6, mean 23.7 °C (based on 18 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5625 [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 (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 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (20 of 100).
🛈
營養素 (Ref.
124155): Calcium = 57.5 [23.8, 122.0] mg/100g; Iron = 0.667 [0.336, 1.265] mg/100g; Protein = 18.6 [16.6, 20.4] %; Omega3 = 0.0776 [, ] g/100g; Selenium = 26.4 [13.4, 55.0] μg/100g; VitaminA = 137 [49, 398] μg/100g; Zinc = 1.28 [0.82, 2.01] mg/100g (wet weight);
