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Overview

Comprehensive Description

Sphoeroides pachygaster ( Müller & Troschel, 1848)

Aegean Sea : 23700-576 (1 spc.), May 2001 , Bozcaada Island , trawl , 125 m, L. Eryilmaz ; 23700-580 (1 spc.), October 1999 , Saros Bay , trawl , 180 m, L. Eryilmaz, M. Özulug .

  • Nurettin Meriç, Lütfiye Eryilmaz, Müfit Özulug (2007): A catalogue of the fishes held in the Istanbul University, Science Faculty, Hydrobiology Museum. Zootaxa 1472, 29-54: 53-53, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:428F3980-C1B8-45FF-812E-0F4847AF6786
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Biology

Inhabit sandy, muddy and rocky bottoms (Ref. 2683). Young are pelagic (Ref. 7251). Feed mainly on squid. In southeast Brazil captured between 50 and 145 m (Ref. 47377).
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Distribution

circumglobally in tropical and temperate seas; Western Atlantic: La Have Bank to Argentina
  • North-West Atlantic Ocean species (NWARMS)
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Circumglobal in tropical and temperate seas.
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Circumglobal in tropical and subtropical seas, including western Mediterranean Sea, Hawaiian Islands.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 7 - 9; Analspines: 0; Analsoft rays: 8 - 9
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Size

Maximum size: 405 mm SL
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Max. size

40.5 cm SL (male/unsexed; (Ref. 26350))
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Diagnostic Description

Body without prickles (Ref. 559). Brownish above, white below; occasionally with dark spots on flanks (Ref. 4919).
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Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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benthic
  • North-West Atlantic Ocean species (NWARMS)
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Inhabits sandy, muddy and rocky bottoms.
  • North-West Atlantic Ocean species (NWARMS)
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Habitat and Ecology

Systems
  • Marine
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Environment

benthopelagic; marine; depth range 50 - 480 m (Ref. 33352), usually 50 - 250 m (Ref. 10985)
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Depth range based on 431 specimens in 1 taxon.
Water temperature and chemistry ranges based on 198 samples.

Environmental ranges
  Depth range (m): 40 - 50000
  Temperature range (°C): 3.048 - 23.436
  Nitrate (umol/L): 0.434 - 32.031
  Salinity (PPS): 33.276 - 38.013
  Oxygen (ml/l): 2.870 - 6.184
  Phosphate (umol/l): 0.132 - 2.237
  Silicate (umol/l): 1.824 - 47.263

Graphical representation

Depth range (m): 40 - 50000

Temperature range (°C): 3.048 - 23.436

Nitrate (umol/L): 0.434 - 32.031

Salinity (PPS): 33.276 - 38.013

Oxygen (ml/l): 2.870 - 6.184

Phosphate (umol/l): 0.132 - 2.237

Silicate (umol/l): 1.824 - 47.263
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 80 - 400m.
From 80 to 400 meters.

Habitat: demersal.
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Trophic Strategy

Inhabits sandy, muddy and rocky bottoms. Young are pelagic (Ref. 7251). Feeds mainly on squid.
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Life History and Behavior

Behavior

Diet

Feeds mainly on squid
  • North-West Atlantic Ocean species (NWARMS)
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Sphoeroides pachygaster

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 17
Specimens with Barcodes: 43
Species With Barcodes: 1
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Barcode data: Sphoeroides pachygaster

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


There are 11 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

ACACGCTGATTCTTCTCAACCAATCACAAAGACATCGGTACCCTTTACCTAGTATTTGGTGCCTGAGCTGGAATAGTGGGGACAGCCTTA---AGCCTCCTCATTCGGGCAGAGTTAAGCCAACCCGGCGCACTCTTAGGTGAC---GACCAGATTTATAATGTAATCGTCACAGCCCATGCATTTGTAATAATCTTCTTTATAGTAATACCCATCATGATTGGTGGCTTCGGAAATTGATTAATTCCACTTATA---ATCGGAGCCCCCGACATAGCATTCCCTCGAATAAACAATATGAGCTTCTGACTTCTCCCTCCCTCCTTTCTTCTTCTTCTAGCCTCTGCTGGCGTAGAAGCTGGAGCTGGTACGGGTTGAACCGTGTATCCTCCCTTGGCCGGAAATCTGGCACACGCAGGGGCTTCCGTAGACTTA---ACCATTTTCTCTCTTCATCTTGCGGGTGTCTCGTCGATCCTGGGGGCCATCAATTTTATTACTACAATTATTAACATGAAGCCTCCTGCAATCTCGCAATATCAAACACCTTTATTTGTATGAGCGGTCTTAATTACTGCCGTCCTTCTCCTTCTCTCACTCCCAGTTCTTGCAGCG---GGGATTACAATGCTTCTCACAGACCGAAACCTCAACACCACCTTTTTCGATCCGGCTGGAGGTGGGGACCCAATCCTCTATCAACATCTATTCTGATTCTTTGGACACCCAGAAGTTTATATCCTCATTCTGCCCGGCTTCGGAATGATTTCACACATTGTAGCCTACTACGCTGGCAAAAAA---GAACCCTTCGGTTATATAGGAATGGTTTGAGCCATGATAGCCATTGGCTTATTAGGGTTTATCGTCTGAGCTCACCATATGTTTACAGTGGGAATAGACGTTGACACTCGAGCTTACTTTACTTCTGCTACAATAATTATTGCTATTCCCACCGGGGTAAAAGTGTTTAGCTGATTA---GCTACCCTTCATGGTGGC---TCAATTAAATGAGAAACTCCAATGCTCTGAGCCCTCGGCTTTATTTTCCTCTTTACAGTAGGGGGTCTAACAGGTATTGTATTGGCCAACTCCTCCTTAGACATTGTACTTCATGACACTTACTATGTAGTAGCCCACTTCCATTACGTT---CTCTCCATAGGAGCCGTATTTGCCATTATGGGAGCTTTCGTACACTGATTCCCCCTCTTCTCCGGATACACTCTTCATAGTACTTGAACAAAAATCCATTTCGTAGTAATATTTGTAGGAGTAAACTTAACCTTCTTCCCCCAGCACTTCCTCGGGCTTGCAGGAATACCCCGC---CGATACTCTGACTATCCCGATGCCTACGCA---TTATGAAATACAGTTTCATCCATTGGCTCTATAATTTCCCTCGTAGCAGTCATTATGTTCCTATTTATTTTATGAGAAGCATTCGCTGCTAAACGAGAGGTT---AAATCAGTTGAACTAACAATAACCAAT
-- end --

Download FASTA File
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
D2

Version
2.3

Year Assessed
1996
  • Needs updating

Assessor/s
Roberts, C.

Reviewer/s

Contributor/s
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Threats

Vulnerable (VU) (D2)
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Wikipedia

Blunthead puffer

The blunthead puffer, Sphoeroides pachygaster, is a pufferfish of the family Tetraodontidae, found circumglobally in tropical and temperate seas, at depths between 50 and 500 m. Its length is up to 40 cm.

References

  • Froese, Rainer, and Daniel Pauly, eds. (2012). "Sphoeroides pachygaster" in FishBase. April 2012 version.
  • Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8
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