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) >
Labridae (Wrasses)
隆頭魚科 (Wrasses) > Xyrichtyinae
Etymology: Xyrichtys: Greek, xyreo = that cuts like a knife + Greek, ichthys = fish (Ref. 45335).
Eponymy: H Blanchard was Captain of the research vessel ‘Reine-Pokou’ from which the type was taken off Ascension Island, and without whose skill the expedition could not have succeeded. (Ref. 128868), visit book page.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 居於水底的; 深度上下限 35 - 40 m (Ref. 5292). 熱帶
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Southeast Atlantic: Ascension Island and St. Helena.
東南大西洋: 阿森松島與聖赫勒拿島。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 21.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 5292)
Inhabits areas with sandy bottoms (Ref. 5292) or rubble; juveniles often at less than 15 m depth, adults usually in deeper water (Ref. 86997).
棲息於有砂質底部的區域。 (參考文獻 5292)
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).東南大西洋: 阿森松島與聖赫勒拿島。
Gomon, M.F. and P. Forsyth, 1990. Labridae. p. 868-882. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon, SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 5292)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 03 March 2009
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00676 (0.00275 - 0.01660), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.4 ±0.1 se; based on size and trophs of closest relatives |
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 to moderate vulnerability (33 of 100). 🛈 |