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
Etymology: pacifica: Named for its native range, in the Pacific Ocean; noun in apposition.
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 5 - 56 m (Ref. 122787). 熱帶; 31°N - 30°S
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Pacific Ocean: Hawaiian Islands, Johnston Atoll, Line Islands, Pitcairn Island, Oeno Atoll, Gambier Islands, Tuamotu Archipelago, Society Islands, Austral Islands, Rapa, Cook Islands, Phoenix Islands, Fiji, Tonga, New Caledonia, Loyalty Islands, Chesterfield Islands, Vanuatu, Coral Sea islands and reefs, Marshall Islands, Chuuk, Pohnpei, Yap, Wake Island, Mariana Islands, and at the Ogasawara Islands and Bonin Islands of Japan.
印度-太平洋: 東非到夏威夷與皮特凱恩群島, 北至馬里亞納群島, 南至新加勒多尼亞與拉帕島。 主要地大洋性島嶼的周圍。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 7.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 122787)
背棘 (總數) : 12; 背的軟條 (總數) : 12 - 14; 臀棘: 2; 臀鰭軟條: 12 - 14; 脊椎骨: 26. This species is distinguished by the following set of characters: D XII,12-14 (usually XII,13); A II,12-14 (usually II,13); pectoral-fin rays 16-18 (usually 17); spiniform caudal-fin rays 2; tubed lateral-line scales 14-17 (usually 15-16); total gill rakers on first branchial arch 27-32; body depth 1.8-2.0 (mean 1.9) in SL. Colouration: in life overall yellowish brown, typically with lateral greyish to purplish stripes along scale rows; the dorsal and anal fins are brownish with dark-brown triangular marking posteriorly and caudal fin yellowish; pectoral fin with a prominent round, blackish spot covering the entire base and axil (Ref. 122787).
Cross section: compressed.
魚是豐饒的金褐色, 在頭部下半部與胸上顏色變化成帶紫色的粉紅色。 這種在胸鰭基底被與另外相似的 Chromis 區分藉由大的深色斑點。
Benthopelagic (Ref. 58302). Feeds on planktons (Ref. 89972). Diurnal species (Ref. 54980; 113699). 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).
出現於清澈的潟湖與臨海礁石, 通常在洞穴與岩架附近的鬆散的魚群。 豐富的樹枝狀珊瑚之上與背風的海岸.(參考文獻 9710)
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).印度-太平洋: 東非到夏威夷與皮特凱恩群島, 北至馬里亞納群島, 南至新加勒多尼亞與拉帕島。 主要地大洋性島嶼的周圍。
Allen, G.R. and M.V. Erdmann, 2020. Chromis pacifica, a new Pacific Ocean damselfish distinct from Indian Ocean Chromis agilis (Teleostei: Pomacentridae). J. Ocean Sci. Found. 35:102-117. (Ref. 122787)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
人類使用
漁業: 沒有興趣; 水族館: 商業性
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Estimates based on models
Preferred temperature (參考文獻
123201): 24.6 - 28.8, mean 27.4 °C (based on 376 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): 3.0 ±0.24 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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