Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei)
The spiny plunder-fish, Harpagifer antarcticus , is a common shallow-water demersal species distributed along the southern limb of the Scotia Arc. A year round study was made of its reproductive biology at Signy Island, South Orkney Islands, for comparison with populations from the Antarctic Peninsu...
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Cambridge University Press (CUP)
1992
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Online Access: | http://dx.doi.org/10.1017/s0954102092000622 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102092000622 |
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crcambridgeupr:10.1017/s0954102092000622 2024-09-15T17:48:39+00:00 Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) White, M. G. Burren, P. J. 1992 http://dx.doi.org/10.1017/s0954102092000622 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102092000622 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 4, issue 4, page 421-430 ISSN 0954-1020 1365-2079 journal-article 1992 crcambridgeupr https://doi.org/10.1017/s0954102092000622 2024-07-31T04:03:40Z The spiny plunder-fish, Harpagifer antarcticus , is a common shallow-water demersal species distributed along the southern limb of the Scotia Arc. A year round study was made of its reproductive biology at Signy Island, South Orkney Islands, for comparison with populations from the Antarctic Peninsula and with H. georgianus at South Georgia. Adult H. antarcticus inhabit rubble substrata and spawn 300–1500 eggs into a nest during May/July. The nest is guarded by both male and female fish during an incubation period of up to 150 days. After hatching during November/December the larvae grow at a rate of 0.082 mm d −1 (summer), 0.049 mm d −1 (winter) and 0.067 mm d −1 (annual), calculated from a time-series of samples collected from the field. This rate of growth is slow even among Antarctic species but is similar to the closely related species H. georgianus. Adult male and female H. antarcticus at the South Orkney Islands attain a maximum standard length of 88 mm and 85 mm respectively. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctic Science antarcticus Signy Island South Orkney Islands Cambridge University Press Antarctic Science 4 4 421 430 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
description |
The spiny plunder-fish, Harpagifer antarcticus , is a common shallow-water demersal species distributed along the southern limb of the Scotia Arc. A year round study was made of its reproductive biology at Signy Island, South Orkney Islands, for comparison with populations from the Antarctic Peninsula and with H. georgianus at South Georgia. Adult H. antarcticus inhabit rubble substrata and spawn 300–1500 eggs into a nest during May/July. The nest is guarded by both male and female fish during an incubation period of up to 150 days. After hatching during November/December the larvae grow at a rate of 0.082 mm d −1 (summer), 0.049 mm d −1 (winter) and 0.067 mm d −1 (annual), calculated from a time-series of samples collected from the field. This rate of growth is slow even among Antarctic species but is similar to the closely related species H. georgianus. Adult male and female H. antarcticus at the South Orkney Islands attain a maximum standard length of 88 mm and 85 mm respectively. |
format |
Article in Journal/Newspaper |
author |
White, M. G. Burren, P. J. |
spellingShingle |
White, M. G. Burren, P. J. Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) |
author_facet |
White, M. G. Burren, P. J. |
author_sort |
White, M. G. |
title |
Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) |
title_short |
Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) |
title_full |
Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) |
title_fullStr |
Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) |
title_full_unstemmed |
Reproduction and larval growth of Harpagifer antarcticus Nybelin (Pisces, Notothenioidei) |
title_sort |
reproduction and larval growth of harpagifer antarcticus nybelin (pisces, notothenioidei) |
publisher |
Cambridge University Press (CUP) |
publishDate |
1992 |
url |
http://dx.doi.org/10.1017/s0954102092000622 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102092000622 |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctic Science antarcticus Signy Island South Orkney Islands |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctic Science antarcticus Signy Island South Orkney Islands |
op_source |
Antarctic Science volume 4, issue 4, page 421-430 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0954102092000622 |
container_title |
Antarctic Science |
container_volume |
4 |
container_issue |
4 |
container_start_page |
421 |
op_container_end_page |
430 |
_version_ |
1810290109279371264 |