Metanephrops neptunus — Details

Neptune Lobster learn more about names for this taxon

Overview

Distribution

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FAO fishing area 57, FAO fishing area 61, Hong Kong, Indo-West Pacific, South China Sea
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Source: World Register of Marine Species

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Range Description

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This species is widely distributed from the South China Sea to western Australia (Holthuis 1991). Specimens have also been recorded from Pratas Island, the Philippines, and Indonesia (the Kai and Tanimbar Islands, and the Makassar Strait) (Chan 1997).
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Source: IUCN

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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
This species occurs in deep waters between 300-940 m, usually over 500 m (Chan 1997). It has a very large body size (Chan 1997), and prefers soft substrates (Chan 1998).

Systems
  • Marine
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Source: IUCN

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Depth range based on 6 specimens in 1 taxon.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 515 - 929
  Temperature range (°C): 8.357 - 10.115
  Nitrate (umol/L): 21.712 - 32.527
  Salinity (PPS): 34.453 - 34.666
  Oxygen (ml/l): 1.733 - 3.565
  Phosphate (umol/l): 1.775 - 1.971
  Silicate (umol/l): 33.674 - 69.057

Graphical representation

Depth range (m): 515 - 929

Temperature range (°C): 8.357 - 10.115

Nitrate (umol/L): 21.712 - 32.527

Salinity (PPS): 34.453 - 34.666

Oxygen (ml/l): 1.733 - 3.565

Phosphate (umol/l): 1.775 - 1.971

Silicate (umol/l): 33.674 - 69.057
 
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Source: Ocean Biogeographic Information System

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Metanephrops neptunus

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The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Metanephrops neptunus

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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2011

Assessor/s
Wahle, R., MacDiarmid, A., Butler, M., Cockcroft, A. & Chan, T.Y.

Reviewer/s
Collen, B., Livingstone, S. & Richman, N.

Contributor/s
Batchelor, A., De Silva, R., Dyer, E., Kasthala, G., Lutz, M.L., McGuinness, S., Milligan, HT, Soulsby, A.-M. & Whitton, F.

Justification
Metanephrops neptunus has been assessed as Least Concern. This species has a wide distribution and is not known to be impacted upon by any threats. Furthermore, it prefers deep waters, though due to its large size may be harvested in the future.
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Source: IUCN

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Population

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Population
Although widespread this species is "nowhere abundant" (Chan 1997).This may be due to the difficulty of sampling or fishing within the deep waters inhabited by this species (Chan 1997).

Population Trend
Unknown
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Threats

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Major Threats
Suitable fishing grounds for this species have not been located (Chan 1997), although Holthuis (1991) and George (1983) considered the commercial prospects encouraging. It is occasionally caught in small quantities during deep-water trawls, and due to its large size it is potentially attractive for fisheries with developments in deep-sea fishing gear (Chan 1998).
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Management

Conservation Actions

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Conservation Actions
There are no species-specific conservation measures in place for this species. Further research is required to determine the abundance of this species, and whether it is being impacted upon by any major threat processes.
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