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Xyrichtys novacula (Linnaeus, 1758)

Pearly razorfish
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Image of Xyrichtys novacula (Pearly razorfish)
Xyrichtys novacula
Picture by Patzner, R.


Saint Vincent and the Grenadines country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/vc.html
National Fisheries Authority: http://www.vincy.com/fisheries/
Occurrences: Occurrences Point map
Main Ref: Gomon, M.F., 1978
National Database:

Common names from other countries

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

Teleostei > Eupercaria/misc (Various families in series Eupercaria) > Labridae (Wrasses) > Xyrichtyinae
Etymology: Xyrichtys: Greek, xyreo = that cuts like a knife + Greek, ichthys = fish (Ref. 45335);  novacula: Specific name from Latin 'novacula' meaning 'razor'; referring to it being very compressed with front of head forming a sharp edge..
  More on author: Linnaeus.

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

海洋 礁区鱼类; 深度上下限 1 - 90 m (Ref. 3726).   

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

Western Atlantic: North Carolina, USA and northern Gulf of Mexico (Ref. 7251) through the Caribbean to Brazil. Eastern Atlantic: France to Angola and including the Mediterranean, Azores, Madeira, Canary Islands, Cape Verde and Sao Tome Island.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 7251); common length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2683); 最大年龄: 8 年 (Ref. 4742)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 9; 背的软条 (总数) : 12; 臀棘: 3; 臀鳍软条: 12. An elongate, very compressed fish with front of head forming a sharp edge. Snout very blunt; profile steep. Pale greenish, usually with no conspicuous markings on body (Ref. 26938). Head with alternating vertical lines of light blue and light yellow-orange (Ref. 13442).

生物学特性     字汇 (例如 epibenthic)

Inhabits clear shallow areas with sandy bottoms, usually in the vicinity of seagrass beds and corals (Ref. 2683). Feeds mainly on mollusks; also crabs and shrimps (Ref. 3726). A protogynous hermaphrodite; sexual dimorphism apparent in head shape and length of pelvic fin (Ref. 5292). Builds nests with coral debris. Dives head first into the sand when frightened (Ref. 9710). Marketed fresh (Ref. 3726).

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


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

Gomon, M.F. and P. Forsyth, 1990. Labridae. p. 868-882. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon, SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 5292)

世界自然保护联盟红皮书 (Ref. 130435)

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

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 




人类利用

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

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Trophic ecology
食物相
Diet compositions
Food consumptions
Food rations
捕食者
Ecology
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Population dynamics
Growths
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Length-weight rel.
Length-length rel.
体长-频率
Mass conversions
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Abundances
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繁殖
Maturities
Fecundities
Spawnings
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Egg(s)
Egg developments
仔鱼
稚鱼动力学
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Otoliths
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游泳类型
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Visual pigment(s)
鱼的声音
Diseases / Parasites
Toxicities (LC50s)
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水产养殖描述
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Estimates based on models

Preferred temperature (Ref. 115969): 17.4 - 27.9, mean 24.4 (based on 858 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00680 - 0.01341), b=3.00 (2.90 - 3.10), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
营养阶层 (Ref. 69278):  3.5   ±0.1 se; based on diet studies.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=8).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100).
价格分类 (Ref. 80766):   Very high.