Eusphyra blochii (Cuvier, 1816)

Winghead shark

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii (Haie und Rochen) \| Carcharhiniformes \| Sphyrnidae
Synonyme	Zygaena blochii, Cestracion blochi, Sphyrna blochii, ... more
Namen	Cá Nhám cào, Pating, 勃氏美双髻鲨, ... more

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Image of Eusphyra blochii (Winghead shark)

Picture by Harris, M.

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AquaMaps Data sources: GBIF OBIS

Main reference

Compagno, L.J.V. 1984. (Ref. 244)
Other references | Biblio | Koordinator : Compagno, Leonard J.V. | Partner

Size / Gewicht / Age

Max length : 186 cm TL Männchen/unbestimmt; (Ref. 6871)

Lebensraum

Benthopelagisch; amphidrom (Ref. 51243); brackwasser; seewasser

Klimazone / Range

Tropical; 31°N - 20°S, 47°E - 154°E

Übersetzung
See machine translation of the following fields ( Verbreitung, Morphologie, Biologie) by ECMT.

Indo-West Pacific: Persian Gulf to the Philippines, north to China, south to Australia.
Länder | FAO Gebiete | Ecosystems | Vorkommen | Einführungen

Short description

Rückenflossenstacheln (insgesamt): 0; Afterflossenstacheln 0. Grey or grey-brown above, paler below. Expanded lateral blades of head very narrow and wing-like, with a series of small bumps along edges in front of nostrils; width across head 40 or 50% of total length. Nostrils enormously expanded, each nearly 2 times the mouth head (Ref 13562).

Found in shallow water on continental and insular shelves (Ref. 244). Enters estuaries (Ref. 4832). Feeds mainly on small teleost fishes but also takes crustaceans and cephalopods (Ref. 13562). Viviparous (Ref. 50449), with 6 to 25 pups in a litter (Ref. 6871). Has a remarkable wing-shaped head which is nearly or quite half of its body length, the function of which is uncertain, maybe for maneuvering or for increasing the surface area of some of the sense organs (Ref. 244). Probably harmless to people (Ref. 13562). Caught commonly, but in low numbers, by inshore gillnet fisheries. Particularly common in catches off Kalimantan (Ref.58048). Probably a common fisheries species where it occurs (Ref. 13562). Meat utilized for human consumption; liver is a source of vitamin oil (Ref. 244). Offal probably utilized for fishmeal (Ref. 13562). Reported to reach 300 cm TL (Ref. 58784).


IUCN Red List Status (Ref. 57073)	Threat to humans
Near Threatened (NT)	Harmless (Ref. 13562)

Human uses
Fischereien: kommerziell


Mehr Information
Länder FAO Gebiete Ecosystems Vorkommen Einführungen Ökologie Nahrung Nahrungsorganismen Nahrungsaufnahme Nahrungsmenge	Namen Synonyme Metabolismus Räuber Ökotoxikologie Fortpflanzung Geschlechtsreife Ablaichen Eier Egg development	Age/Size Wachstum Length-weight Length-length Length-frequencies Morphometrie Morphologie Larven Larven Pop.Dyn. Rekrutierung	Other references Biblio Aquakultur Aquakultur Profil Zuchtlinien Genetik Allel-Häufigkeiten Vererbbarkeit Krankheiten Verarbeitung	Partner Bilder Briefmarken Laute Ciguatera Geschwindigkeit Schwimmstil Kiemenoberfläche Otoliths Gehirngröße Sehfähigkeit

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Internet Quellen

Estimation of some characteristics with mathematical models

Widerstandsfähigkeit (Ref. 69278)

sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec=6)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (60 of 100)	High

Eingetragen Carpenter, Kent E.

Geändert von Wiethüchter, Anita

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Page last modified by : elaxamana, 15 July 2009

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