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Hemigymnus melapterus (Bloch, 1791)

Blackeye thicklip
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Hemigymnus melapterus   AquaMaps   Data sources: GBIF OBIS
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Image of Hemigymnus melapterus (Blackeye thicklip)
Hemigymnus melapterus
Picture by Randall, J.E.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Labridae (Wrasses) 隆頭魚科 (Wrasses) > Corinae
Etymology: Hemigymnus: Greek, hemi = half + Greek, gymnos = naked (Ref. 45335).  More on author: Bloch.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 海洋 礁区鱼类; 深度上下限 1 - 30 m (Ref. 9710), usually 5 - 30 m (Ref. 27115).   熱帶; 24°C - 28°C (Ref. 27115); 30°N - 36°S, 24°E - 138°W

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

Indo-Pacific: Red Sea and East Africa to Micronesia, Samoa (Ref. 2334), and Polynesia (Ref. 9823).
印度-太平洋: 紅海而且東非到密克羅尼西亞與美屬薩摩亞 (參考文獻 2334), 東至玻利尼西亞.(參考文獻 9823)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 93095)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 9; 背的软条 (总数): 10-11; 臀棘 3; 臀鳍软条: 11. This species is distinguished by the following characters: gill rakers 26-29; small juveniles dark brown, green on snout and interorbital, with a slightly oblique white bar from front of dorsal fin to abdomen, and 2 narrow pale yellowish bars below soft portion of dorsal fin that fade ventrally; larger juveniles have a white bar from origin of dorsal fin, passing beneath pectoral fin onto abdomen; head and body anterior to bar greyish green, posterior to bar black; posterior caudal peduncle and caudal fin yellow, often with 1 or 2 small black spots centrally near base: small females with body posterior to a curving demarcation between origins of dorsal and anal fins blackish with a narrow dark greenish bar on each scale, grading to yellow with blue-green spots posteriorly on caudal peduncle and fin; large females dark green posterior to oblique demarcation on body, the scales rimmed in black, with a vertical green line or spot on each scale; head and anterior body light green dorsally, pale blue-green ventrally, have irregular bands on snout and above eye, and a large complex marking behind eye; body of males posterior to demarcation dark green, each scale with narrow pale blue-green and black posterior margin; head green dorsally with irregular green to blue-green bands, including a blue ring around eye; cheek and operculum pinkish white with irregular light blue lines and spots, except for a large yellowish green blotch centrally on cheek without markings; lips and ventral part of head mainly pale blue; chest and abdomen pinkish white with a light blue spot or arc on scales (Ref. 93095).
唇随着年龄变厚。 (参考文献 1623) 颜色大幅改变随着年龄与性别.(参考文献 48636) 稚鱼与亚成鱼前面地几乎白色与突然深绿色与黑色的在后部地; 在大约 8 公分下面的那些有一个慢慢地随着成长褪色的鲜黄色的尾部。 (参考文献 1602) 色彩鲜艳的粉红色与蓝色的脸斑纹用成长环绕稚鱼的眼睛四周传布几乎覆盖大的成鱼的整个头。 (参考文献 1602)

生物学特性     字汇 (例如 epibenthic)

Found in subtidal reef flats and lagoon and seaward reefs. Juveniles occur inshore, found among branching corals while adults found in areas of mixed sand, rubble, and coral (Ref. 9710). Large adults in deeper water (Ref. 48636). Maximum length beyond 45 cm TL is unlikely, with largest measured individual at 37 cm TL (Ref, Feeds mainly on small invertebrates, especially crustaceans, polychaete worms, mollusks and brittle stars (Ref. 9823). Diet changing from primarily demersal planktonic crustaceans to hard-shelled invertebrates with growth (Ref. 37816).

发现于亚潮间带的礁石平台与泻湖与临海礁石了。 稚鱼出现沿海地区, 发现于树枝状珊瑚中了虽然成鱼发现于混合沙子,碎石与珊瑚的区域。 (参考文献 9710) 大的成鱼在较深的水域中。 (参考文献 48636) 主要吃小型无脊椎动物, 尤其甲壳动物, 多毛类的蠕虫,软件动物与海星.(参考文献 9823) 从主要底栖浮游性甲壳动物到具有硬壳的无脊椎动物随着成长改变食性。 (参考文献 37816)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Oviparous, with distinct pairing during breeding (Ref. 205).印度-太平洋: 紅海而且東非到密克羅尼西亞與美屬薩摩亞 (參考文獻 2334), 東至玻利尼西亞.(參考文獻 9823)

主要参考文献 Upload your references | 参考文献 | 合作者 : Westneat, Mark | 合作者

Randall, J.E., 2013. Review of the Indo-Pacific labrid fish genus Hemigymnus. J. Ocean Sci. Foundation 6:2-18. (Ref. 93095)

世界自然保护联盟红皮书 (Ref. 120744)

  最不相关 (LC) ; Date assessed: 12 July 2008

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 低经济; 游钓鱼种: 是的; 水族馆: 商业性
FAO(Publication : search) | FishSource | 周边海洋

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.6 - 29, mean 27.8 (based on 1006 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00696 - 0.02076), b=3.06 (2.91 - 3.21), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (Ref. 69278):  3.6   ±0.45 se; Based on food items.
回复力 (Ref. 69278):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  Moderate to high vulnerability (50 of 100) .
价格分类 (Ref. 80766):   Very high.