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Pervagor melanocephalus (Bleeker, 1853)

Redtail filefish
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Pervagor melanocephalus   AquaMaps   Data sources: GBIF OBIS
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Image of Pervagor melanocephalus (Redtail filefish)
Pervagor melanocephalus
Picture by Cox, C.D.

Philippines country information

Common names: Sulay bagyo
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: minor commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Recorded from Lanuza Bay (Ref. 104756).Although found in fish markets (Ref. 393), flesh of this species is thin, hard, with a bitter taste, and may cause ciguatera and death if much is eaten (Ref. 12745). Also Ref. 527, 48613.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Rau, N. and A. Rau, 1980
National Database:

Common names from other countries

Lace-finned leatherjacket, Black-head filefish, Blackheaded filefish, ... more

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Tetraodontiformes (Puffers and filefishes) > Monacanthidae (Filefishes)
Etymology: Pervagor: Latin, pervagor = nomadic, itinerant.
  More on author: Bleeker.

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

海洋 礁区鱼类; 深度上下限 20 - 40 m (Ref. 1602), usually 20 - ? m (Ref. 1602).   熱帶; 30°N - 24°S

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Indo-West Pacific.
印度-西太平洋。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4421)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 1 - 2; 背的软条 (总数) : 30 - 33; 臀棘: 0; 臀鳍软条: 27 - 30. Blackish brown or bluish black head and anterior portion of body, rest of the body orange. A black blotch surrounding the gill opening. Caudal fin orange; soft dorsal and anal fins yellow; first dorsal spine blackish brown. Pelvic rudiment large not broadly attached to posterior margin of ventral flap. Scale ridge rugosities of male usually develop at about 65 mm SL. Scale spinulation on midbody not closely packed.
暗褐色或蓝黑色的头部与身体的前部, 其余的身体橘色的。 一个黑色的斑块围住鳃裂。 尾鳍橘色的; 软的背鳍与臀鳍黄色; 第一背鳍棘暗褐色的。 腹鳍原基大的不宽广地依附于腹翼的后缘。 雄鱼的鳞片脊满是绉纹通常发展于大约 65 mm SL 。 在身体中央上的鳞片小刺不挤在一起。

生物学特性     字汇 (例如 epibenthic)

Inhabits clear coastal reefs and protected outer reef habitats with rich invertebrate growth (Ref. 48637). Prefers deeper reefs. Often in pairs (Ref. 9710). Sometimes solitary (Ref. 90102). Secretive, adults are usually in pairs (Ref. 48637).

栖息于清澈的岸礁与有遮蔽的外围礁石栖息地无脊椎动物成长丰富的地方.(参考文献 48637) 偏爱较深的礁。 经常成对出现.(参考文献 9710) 躲躲藏藏的, 成鱼是通常成对.(参考文献 48637)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

印度-西太平洋。

主要参考文献 Upload your references | 参考文献 | 合作者 : Hutchins, Barry | 合作者

Hutchins, J.B., 1986. Review of the monacanthid fish genus Pervagor, with descriptions of two new species. Indo-Pac. Fish. (12):35 p. (Ref. 527)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 03 March 2015

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: 低经济; 水族馆: 商业性
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 24.9 - 29, mean 27.8 (based on 316 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00943 - 0.04220), b=2.93 (2.75 - 3.11), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.9   ±0.4 se; based on size and trophs of closest relatives
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).
价格分类 (Ref. 80766):   Unknown.