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Hemitriakis leucoperiptera Herre, 1923

Whitefin topeshark
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Native range | All suitable habitat | Point map | Year 2050
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Hemitriakis leucoperiptera   AquaMaps   Data sources: GBIF OBIS
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Image of Hemitriakis leucoperiptera (Whitefin topeshark)
Hemitriakis leucoperiptera
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Philippines country information

Common names: [No common name]
Occurrence: endemic
Salinity: marine
Abundance: | Ref:
Importance: subsistence fisheries | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Dumaguete, Negros (holotype of Hemitriakis leucopteriptera, 95.5 cm TL, pregnant female with 12 fetuses (20-21.8 cm TL)), probably lost. Compagno examined SU-27118, fetuses (male, 16.9 cm; female,17 cm), since found to be considerably smaller, these are presumably are not part of the type series but may be conspecific because of the low vertebral counts and similarity in morphology and coloration (Ref. 47737). WWF Elasmobranch Collection: fish ports/markets from Cadiz, Iloilo and Cebu cities (Ref. 47736, 47737). Presumably taken by local fisheries but details are unknown (Ref. 244). Also Ref. 13563.
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: Alava, M.N.R., J.P.A. Gaudiano, J.A. Utzurrum, E.E.C. Capuli, M.T.R. Aquino, M.M.A. Luchavez-Maypa and M.D. Santos, 2014
National Database:

Common names from other countries

Requin-hâ aile blanche, Cazón de aleta blanca, قِرش كلب ذو جِنحة بيضاء, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Galeorhininae
Etymology: Hemitriakis: hemi-, from hemisys (Gr.), half, being a genus that Herre believed was “most closely related” to Triakis. (See ETYFish);  leucoperiptera: leuco-, from leukos (Gr.), white; peri (Gr.), around; ptera (Gr.), fin, referring to white margin around fins. (See ETYFish).
  More on author: Herre.

Environment: milieu / climate zone / depth range / distribution range 生態学

海 底生の; 深さの範囲 ? - 48 m (Ref. 244).   Tropical; 20°N - 5°N

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Western Central Pacific: known only from the Philippines.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 96.0 cm TL (female)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 0; 肛門の骨: 0. No dusky bar on underside of snout; young with dark bars on caudal fin but not elsewhere (Ref. 13563).

生物学     用語集 (例 epibenthic)

An little-known inshore tropical shark found in coastal waters (Ref. 13563). Ovoviviparous (Ref. 50449).

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

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 12 young in a litter and size at birth at least 20 to 22 cm (Ref. 244).

主な参考文献 Upload your references | 参考文献 | コーディネーター : Compagno, Leonard J.V. | 協力者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCNのレッドリストの状況は (Ref. 130435)

  絶滅寸前の危機的状況 (CR) (A2d); Date assessed: 02 July 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless (Ref. 13563)




Human uses

水産業: 食糧水産
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 28 - 28.8, mean 28.5 (based on 18 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00183 - 0.00992), b=3.04 (2.83 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.2   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低い, ４．５年～１４年の倍増期間の最小個体群 (Fec=12).
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
価格帯 (Ref. 80766):   High.