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

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

Elasmobranquios (tiburones y rayas) (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 Ecología

marino demersal; rango de profundidad ? - 48 m (Ref. 244). Tropical; 20°N - 5°N

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Western Central Pacific: known only from the Philippines.

Tamaño / Peso / Age

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

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Espinas anales: 0. No dusky bar on underside of snout; young with dark bars on caudal fin but not elsewhere (Ref. 13563).

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

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

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).

Main reference Upload your references | Referencias | Coordinador : Compagno, Leonard J.V. | Colaboradores

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 Red List Status (Ref. 130435)

Critically Endangered (CR) (A2d); Date assessed: 02 July 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless (Ref. 13563)

Human uses

Pesquerías: pesquerías de subsistencia

FAO(Publication : search) | FishSource |

Más información

Trophic ecology
componentes alimenticios
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Despredadores

Ecology
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Population dynamics
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Length-weight rel.
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Life cycle
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Egg(s)
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Larva
Dinámica larvaria

Distribution
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BRUVS - Videos

Anatomy
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Physiology
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Visual pigment(s)
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Genetics
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Human related
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Perfiles de acuicultura
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Stamps, coins, misc.

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Taxonomy
Nombres comunes
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References
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Herramientas

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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

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).

Nivel trófico (Ref. 69278): 4.2 ±0.5 se; based on size and trophs of closest relatives

Resiliencia (Ref. 120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec=12).

Fishing Vulnerability (Ref. 59153): High vulnerability (58 of 100).

Price category (Ref. 80766): High.

Hemitriakis leucoperiptera Herre, 1923