分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | 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) (Damselfishes) > Chrominae
Etymology: pacifica: Named for its native range, in the Pacific Ocean; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 非迁移的; 深度上下限 5 - 56 m (Ref. 122787). 热带; 31°N - 30°S
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: 东非到夏威夷与皮特凯恩群岛, 北至小笠原群岛, 南至大堡礁与新加勒多尼亚。 主要地大洋性岛屿的周围。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 7.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 122787)
背棘 (总数): 12; 背的软条 (总数): 12-14; 臀棘 2; 臀鳍软条: 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).
鱼是丰饶的金褐色, 在头部下半部与胸上颜色变化成带紫色的粉红色。 这种在胸鳍基底被与另外相似的 Chromis 区分藉由大的深色斑点。
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).
出现于清澈的泻湖与临海礁石, 通常在洞穴与岩架附近的松散的鱼群。 丰富的树枝状珊瑚之上与背风的海岸.(参考文献 9710)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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: 东非到夏威夷与皮特凯恩群岛, 北至小笠原群岛, 南至大堡礁与新加勒多尼亚。 主要地大洋性岛屿的周围。
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)
人类利用
渔业: 没有兴趣; 水族馆: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.8, mean 27.4 °C (based on 376 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00940 - 0.04644), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.0 ±0.24 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
