Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean
Bathydraconidae) was studied in the Cooperation and Cosmonaut seas in the depth range 200400 m during the summer 1988. Stomach content analysis showed that both species are piscivorous predators but with different feeding habits. Cygnodraco mawsoni fedmostly on young notothenioid fish, regularly com...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.622.4054 2023-05-15T13:44:54+02:00 Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean Evgeny A. Pakhomov The Pennsylvania State University CiteSeerX Archives 1997 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.622.4054 http://eprints.ru.ac.za/718/1/Antarctic-dragonfish.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.622.4054 http://eprints.ru.ac.za/718/1/Antarctic-dragonfish.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://eprints.ru.ac.za/718/1/Antarctic-dragonfish.pdf Key words Antarctica Bathydraconidae text 1997 ftciteseerx 2016-01-08T15:04:04Z Bathydraconidae) was studied in the Cooperation and Cosmonaut seas in the depth range 200400 m during the summer 1988. Stomach content analysis showed that both species are piscivorous predators but with different feeding habits. Cygnodraco mawsoni fedmostly 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. Text Antarc* Antarctic Antarctica Cosmonaut sea Euphausia superba Southern Ocean Unknown Antarctic Indian Southern Ocean |
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Unknown |
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ftciteseerx |
language |
English |
topic |
Key words Antarctica Bathydraconidae |
spellingShingle |
Key words Antarctica Bathydraconidae Evgeny A. Pakhomov Diet of two Antarctic dragonfish (Pisces: Bathydraconidae) from the Indian sector of the Southern Ocean |
topic_facet |
Key words Antarctica Bathydraconidae |
description |
Bathydraconidae) was studied in the Cooperation and Cosmonaut seas in the depth range 200400 m during the summer 1988. Stomach content analysis showed that both species are piscivorous predators but with different feeding habits. Cygnodraco mawsoni fedmostly 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. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Evgeny A. Pakhomov |
author_facet |
Evgeny A. Pakhomov |
author_sort |
Evgeny A. Pakhomov |
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 |
publishDate |
1997 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.622.4054 http://eprints.ru.ac.za/718/1/Antarctic-dragonfish.pdf |
geographic |
Antarctic Indian Southern Ocean |
geographic_facet |
Antarctic Indian Southern Ocean |
genre |
Antarc* Antarctic Antarctica Cosmonaut sea Euphausia superba Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Cosmonaut sea Euphausia superba Southern Ocean |
op_source |
http://eprints.ru.ac.za/718/1/Antarctic-dragonfish.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.622.4054 http://eprints.ru.ac.za/718/1/Antarctic-dragonfish.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766208372213809152 |