The supergiant amphipod Alicella gigantea (Crustacea: Alicellidae) from hadal depths in the Kermadec Trench, SW Pacific Ocean

A. J. Jamieson; N. C. Lacey; A. N. Lörz; A. A. Rowden; S. B. Piertney

doi:10.1016/j.dsr2.2012.12.002

The supergiant amphipod Alicella gigantea (Crustacea: Alicellidae) from hadal depths in the Kermadec Trench, SW Pacific Ocean

A. J. Jamieson, N. C. Lacey, A. N. Lörz, A. A. Rowden, S. B. Piertney

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

Here we provide the first record of the 'supergiant' amphipod Alicella gigantea Chevreux, 1899 (Alicellidae) from the Southern Hemisphere, and extend the known bathymetric range by over 1000. m to 7000. m. An estimated nine individuals were observed across 1500 photographs taken in situ by baited camera at 6979. m in the Kermadec Trench, SW Pacific Ocean. Nine specimens, ranging in length from 102 to 290. mm were recovered by baited trap at depths of 6265. m and 7000. m. Mitochondrial and nuclear DNA sequences obtained indicate a cosmopolitan distribution for the species. Data and observations from the study are used to discuss the reason for gigantism in this species, and its apparently disjunct geographical distribution.

Original language	English
Pages (from-to)	107-113
Number of pages	7
Journal	Deep-Sea Research Part II: Topical Studies in Oceanography
Volume	92
DOIs	https://doi.org/10.1016/j.dsr2.2012.12.002
Publication status	Published - Aug 2013
Externally published	Yes

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10.1016/j.dsr2.2012.12.002

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title = "The supergiant amphipod Alicella gigantea (Crustacea: Alicellidae) from hadal depths in the Kermadec Trench, SW Pacific Ocean",

abstract = "Here we provide the first record of the 'supergiant' amphipod Alicella gigantea Chevreux, 1899 (Alicellidae) from the Southern Hemisphere, and extend the known bathymetric range by over 1000. m to 7000. m. An estimated nine individuals were observed across 1500 photographs taken in situ by baited camera at 6979. m in the Kermadec Trench, SW Pacific Ocean. Nine specimens, ranging in length from 102 to 290. mm were recovered by baited trap at depths of 6265. m and 7000. m. Mitochondrial and nuclear DNA sequences obtained indicate a cosmopolitan distribution for the species. Data and observations from the study are used to discuss the reason for gigantism in this species, and its apparently disjunct geographical distribution.",

keywords = "Alicellidae, Amphipoda, Baited camera, Baited trap, Hadal zone, Kermadec Trench, Pacific Ocean",

author = "Jamieson, {A. J.} and Lacey, {N. C.} and L{\"o}rz, {A. N.} and Rowden, {A. A.} and Piertney, {S. B.}",

year = "2013",

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doi = "10.1016/j.dsr2.2012.12.002",

language = "English",

volume = "92",

pages = "107--113",

journal = "Deep-Sea Research Part II: Topical Studies in Oceanography",

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T2 - Alicellidae) from hadal depths in the Kermadec Trench, SW Pacific Ocean

AU - Jamieson, A. J.

AU - Lacey, N. C.

AU - Lörz, A. N.

AU - Rowden, A. A.

AU - Piertney, S. B.

PY - 2013/8

Y1 - 2013/8

N2 - Here we provide the first record of the 'supergiant' amphipod Alicella gigantea Chevreux, 1899 (Alicellidae) from the Southern Hemisphere, and extend the known bathymetric range by over 1000. m to 7000. m. An estimated nine individuals were observed across 1500 photographs taken in situ by baited camera at 6979. m in the Kermadec Trench, SW Pacific Ocean. Nine specimens, ranging in length from 102 to 290. mm were recovered by baited trap at depths of 6265. m and 7000. m. Mitochondrial and nuclear DNA sequences obtained indicate a cosmopolitan distribution for the species. Data and observations from the study are used to discuss the reason for gigantism in this species, and its apparently disjunct geographical distribution.

AB - Here we provide the first record of the 'supergiant' amphipod Alicella gigantea Chevreux, 1899 (Alicellidae) from the Southern Hemisphere, and extend the known bathymetric range by over 1000. m to 7000. m. An estimated nine individuals were observed across 1500 photographs taken in situ by baited camera at 6979. m in the Kermadec Trench, SW Pacific Ocean. Nine specimens, ranging in length from 102 to 290. mm were recovered by baited trap at depths of 6265. m and 7000. m. Mitochondrial and nuclear DNA sequences obtained indicate a cosmopolitan distribution for the species. Data and observations from the study are used to discuss the reason for gigantism in this species, and its apparently disjunct geographical distribution.

KW - Alicellidae

KW - Amphipoda

KW - Baited camera

KW - Baited trap

KW - Hadal zone

KW - Kermadec Trench

KW - Pacific Ocean

UR - http://www.scopus.com/inward/record.url?scp=84878961477&partnerID=8YFLogxK

U2 - 10.1016/j.dsr2.2012.12.002

DO - 10.1016/j.dsr2.2012.12.002

M3 - Article

AN - SCOPUS:84878961477

SN - 0967-0645

VL - 92

SP - 107

EP - 113

JO - Deep-Sea Research Part II: Topical Studies in Oceanography

JF - Deep-Sea Research Part II: Topical Studies in Oceanography

ER -

The supergiant amphipod Alicella gigantea (Crustacea: Alicellidae) from hadal depths in the Kermadec Trench, SW Pacific Ocean

Abstract

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