分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria)
鱸形目 (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes)
雀鯛科 (Damselfishes) > Chrominae
Eponymy: Dr Gerald Robert ‘Gerry’ Allen (d: 1942) is an American-born Australian ichthyologist. [...] (Ref. 128868), visit book page.
More on authors: Randall, Ida & Moyer.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 礁區魚類; 非遷移的; 深度上下限 10 - 30 m (Ref. 559). 溫帶
Northwest Pacific: Miyake-jima, Bonin Islands of Japan and south to Taiwan.
西北太平洋: 伊豆群島, 日本的博寧群島而且南至台灣。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 6.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 7247)
背棘 (總數) : 11 - 12; 背的軟條 (總數) : 12 - 13; 臀棘: 2; 臀鰭軟條: 12 - 13. Overall color is brown with a prominent black spot on the base of the pectoral fin. Caudal fin and peduncle white.
Body shape (shape guide): short and / or deep; Cross section: compressed.
整體的色彩是在胸鰭的基底上褐色的有一個突出的黑色斑點。 尾鰭與梗白色。
Adults inhabit coral or rocky outer reefs (Ref. 7247). Diurnal species (Ref. 52881). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
棲息於珊瑚或岩石的外海岩礁。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).西北太平洋: 伊豆群島, 日本的博寧群島而且南至台灣。
Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 16 November 2010
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Estimates based on models
Preferred temperature (參考文獻
123201): 21.6 - 26.6, mean 23.5 °C (based on 14 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00944 - 0.04623), b=2.98 (2.80 - 3.16), 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 ±0.45 se; based on food items.
回復力 (參考文獻
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).
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![Image of Pycnochromis alleni (Allen\](/images/thumbnails/jpg/tn_Chall_u0.jpg "Image of Pycnochromis alleni (Allen\")
