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Pycnochromis margaritifer (Fowler, 1946)

Bicolor chromis
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Image of Pycnochromis margaritifer (Bicolor chromis)
Pycnochromis margaritifer
Picture by Cook, D.C.


Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from northern and southern Taiwan (including Hsiao-liu-chiu) and from the Penghu (Ref. 55073), Lanyu, and Green islands (Ref. 48445, 48451). Also Ref. 5193, 11104, 47843.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Shao, K.-T., S.-C. Shen, T.-S. Chiu and C.-S. Tzeng, 1992
National Database: The Fish Database of Taiwan

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | 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:   More on author: Fowler.

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 0 - 30 m (Ref. 128797).   热带; 32°N - 32°S, 96°E - 132°W

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Pacific Ocean: Christmas Island and northwestern Australia in the eastern Indian Ocean to the Line and Tuamoto islands.
太平洋: 在东印度洋到列岛群岛与 Tuamoto 岛中的圣诞岛与澳洲西北部。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 10.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 124696); 最大体重: 14.56 g (Ref. 124696)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 12; 背的软条 (总数) : 12 - 13; 臀棘: 2; 臀鳍软条: 11 - 12.
这一个鱼深褐色的,几乎黑色, 与尾柄与尾鳍鳍醒目的白色。 它的尾鳍叶在二个丝状突起结束。 一个黑色的斑点在胸鳍的基底。 背鳍棘顶端蓝色.(参考文献 48636)

生物学特性     字汇 (例如 epibenthic)

Adults are usually seen singly or in small groups on coastal reefs, amongst mixed algae-coral reef or rocky reefs (Ref. 48636). They are found on exposed seaward reefs; less abundant in lagoons and channels. Feed on zooplankton. 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). Diurnal species (Ref. 113699).

通常各别地见到或形成小群鱼群在岸礁上, 在混合的藻类中-珊瑚礁或岩礁.(参考文献 48636) 栖息于裸露的临海礁石了; 比较不丰富在泻湖与峡道中。 吃浮游动物。

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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).太平洋: 在东印度洋到列岛群岛与 Tuamoto 岛中的圣诞岛与澳洲西北部。

主要参考文献 Upload your references | 参考文献 | 合作者 : Allen, Gerald R. | 合作者

Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 03 February 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 商业性; 水族馆: 商业性
FAO(Publication : search) | FishSource | 周边海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 25 - 29.3, mean 28.5 (based on 1936 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00878 - 0.03136), b=2.97 (2.81 - 3.13), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (Ref. 69278):  3.0   ±0.25 se; based on food items.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (29 of 100).
价格分类 (Ref. 80766):   Unknown.