Overview

Comprehensive Description

Biology

Ovoviviparous (Ref. 205). Minimum depth from Ref. 58018.
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Distribution

Range Description

Western Pacific: one record in the South China Sea off China (in an area east of Hainan Island and south of Hong Kong) at 18°40' to 19°32'N, 112°31' to 113°57'E (Compagno in prep).
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Western Pacific: South China Sea.
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South China Sea.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Found on continental slope at a depth of 520 m (Compagno in prep). Distance off the bottom is unknown (Compagno et al. 2005), presumably oceanic or semioceanic. The only known specimen was 44 cm total length (Compagno in prep). Nothing else is known of the biology.

Systems
  • Marine
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Environment

bathypelagic; marine; depth range 520 - 520 m (Ref. 46206)
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Life History and Behavior

Life Cycle

Ovoviviparous (Ref. 205). Distinct pairing with embrace (Ref. 205).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2009

Assessor/s
Compagno, L.J.V.

Reviewer/s
Valenti, S.V., Gibson, C.G. & Fowler, S.L. (Shark Red List Authority)

Contributor/s

Justification
The South China Cookiecutter Shark (Isistius labialis) is a very poorly known, presumably oceanic or semioceanic shark. Known only from a single specimen in the South China Sea at present. If it is a valid species,the South China Cookiecutter Shark is possibly more wide-ranging and may be mistaken for the Cookiecutter Shark (Isistius brasiliensis), which is circumglobal in all warm seas. The lack of information on this species, recorded from a single locality, precludes an assessment beyond Data Deficient at this time.
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Population

Population
Known only from one specimen (Compagno et al. 2005)

Population Trend
Unknown
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Threats

Major Threats
Unknown. The species is not recorded from fisheries catches as far as known (Compagno in prep).
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Data deficient (DD)
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Management

Conservation Actions

Conservation Actions
None in place.
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Wikipedia

South China cookiecutter shark

The South China cookiecutter shark, Isistius labialis is a species of dogfish shark in the family Dalatiidae, found in the South China Sea at depths down to 520 m (1,700 ft). It is named from its feeding style which often creates perfect "cookie-cutter" shaped plugs in the skin of large marine mammals and large sharks. Isistius labialis is a synonym of Cookiecutter shark, Isistius brasiliensis.

Reproduction is aplacental viviparity in the same way as great white sharks.

See also[edit]

References[edit]

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