Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean

The diet of Cygnodraco mawsoni Waite 1916 and Gymnodraco acuticeps Boulenger 1902 (Pisces: Bathydraconidae) was studied in the Cooperation and Cosmonaut seas in the depth range 200–400 m during the summer 1988. Stomach content analysis showed that both species are piscivorous predators but with diff...

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Published in:Antarctic Science
Main Author: Pakhomov, Evgeny A.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1998
Subjects:
Antarc*
Antarctic
Antarctic Science
Cosmonaut sea
Euphausia superba
Southern Ocean
Online Access:http://dx.doi.org/10.1017/s095410209800008x
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S095410209800008X
id crcambridgeupr:10.1017/s095410209800008x
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spelling crcambridgeupr:10.1017/s095410209800008x 2024-05-19T07:32:06+00:00 Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean Pakhomov, Evgeny A. 1998 http://dx.doi.org/10.1017/s095410209800008x https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S095410209800008X en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 10, issue 1, page 55-61 ISSN 0954-1020 1365-2079 journal-article 1998 crcambridgeupr https://doi.org/10.1017/s095410209800008x 2024-05-02T06:51:19Z The diet of Cygnodraco mawsoni Waite 1916 and Gymnodraco acuticeps Boulenger 1902 (Pisces: Bathydraconidae) was studied in the Cooperation and Cosmonaut seas in the depth range 200–400 m during the summer 1988. Stomach content analysis showed that both species are piscivorous predators but with different feeding habits. Cygnodraco mawsoni fed mostly on young notothenioid fish, regularly complementing these with pelagic, Euphausia superba , and benthic crustaceans, such as amphipod gammarids and mysids. In contrast, G. acuticeps relied mostly on mesopelagic fish of the family Myctophidae. Although C. mawsoni and G. acuticeps occupy similar depths in the Cosmonaut Sea, different feeding habits appear to limit the probability of interspecific competition for food. Article in Journal/Newspaper Antarc* Antarctic Antarctic Science Cosmonaut sea Euphausia superba Southern Ocean Cambridge University Press Antarctic Science 10 1 55 61
institution Open Polar
collection Cambridge University Press
op_collection_id crcambridgeupr
language English
description The diet of Cygnodraco mawsoni Waite 1916 and Gymnodraco acuticeps Boulenger 1902 (Pisces: Bathydraconidae) was studied in the Cooperation and Cosmonaut seas in the depth range 200–400 m during the summer 1988. Stomach content analysis showed that both species are piscivorous predators but with different feeding habits. Cygnodraco mawsoni fed mostly on young notothenioid fish, regularly complementing these with pelagic, Euphausia superba , and benthic crustaceans, such as amphipod gammarids and mysids. In contrast, G. acuticeps relied mostly on mesopelagic fish of the family Myctophidae. Although C. mawsoni and G. acuticeps occupy similar depths in the Cosmonaut Sea, different feeding habits appear to limit the probability of interspecific competition for food.
format Article in Journal/Newspaper
author Pakhomov, Evgeny A.
spellingShingle Pakhomov, Evgeny A.
Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
author_facet Pakhomov, Evgeny A.
author_sort Pakhomov, Evgeny A.
title Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
title_short Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
title_full Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
title_fullStr Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
title_full_unstemmed Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
title_sort diet of two antarctic dragonfish (pisces: bathydraconidae) from the indian sector of the southern ocean
publisher Cambridge University Press (CUP)
publishDate 1998
url http://dx.doi.org/10.1017/s095410209800008x
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S095410209800008X
genre Antarc*
Antarctic
Antarctic Science
Cosmonaut sea
Euphausia superba
Southern Ocean
genre_facet Antarc*
Antarctic
Antarctic Science
Cosmonaut sea
Euphausia superba
Southern Ocean
op_source Antarctic Science
volume 10, issue 1, page 55-61
ISSN 0954-1020 1365-2079
op_rights https://www.cambridge.org/core/terms
op_doi https://doi.org/10.1017/s095410209800008x
container_title Antarctic Science
container_volume 10
container_issue 1
container_start_page 55
op_container_end_page 61
_version_ 1799470047949750272

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