Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory
Fecundity, hatching rhythm, and the planktotrophic larval development of the hermit crab Pagurus comptus from sub-Antarctic waters of the Beagle Channel (Tierra del Fuego) were studied under controlled laboratory conditions of temperature, light cycle, food supply, and salinity. Fecundity was low, r...
Published in: | Journal of the Marine Biological Association of the United Kingdom |
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Online Access: | https://eprints.soton.ac.uk/39213/ https://eprints.soton.ac.uk/39213/1/LovrichThatjeJMBA06.pdf |
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ftsouthampton:oai:eprints.soton.ac.uk:39213 2023-07-30T03:59:23+02:00 Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory Lovrich, Gustavo A. Thatje, Sven 2006 text https://eprints.soton.ac.uk/39213/ https://eprints.soton.ac.uk/39213/1/LovrichThatjeJMBA06.pdf en eng https://eprints.soton.ac.uk/39213/1/LovrichThatjeJMBA06.pdf Lovrich, Gustavo A. and Thatje, Sven (2006) Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory. Journal of the Marine Biological Association of the United Kingdom, 86 (4), 743-749. (doi:10.1017/S0025315406013658 <http://dx.doi.org/10.1017/S0025315406013658>). Article PeerReviewed 2006 ftsouthampton https://doi.org/10.1017/S0025315406013658 2023-07-09T20:47:47Z Fecundity, hatching rhythm, and the planktotrophic larval development of the hermit crab Pagurus comptus from sub-Antarctic waters of the Beagle Channel (Tierra del Fuego) were studied under controlled laboratory conditions of temperature, light cycle, food supply, and salinity. Fecundity was low, ranging from 134 to 848 eggs per female (cephalotoraxic shield length, SL, 2.3^5.0mm). Hatching observed in the laboratory ranged from 6 to 30 d. The larval development was studied in laboratory cultures fed with Artemia sp. nauplii and kept at constant 7.0± 0.58C. Larvae invariably passed through four zoeal instars and one megalopa stage. Mean durations of the zoeal stages I to IV were 14.3±1.8, 16.7±4.6, 23.2±6.5, 33.4±9.2 d, respectively. Combined with the 43.8±5.6 d recorded for the survived megalopae, we suggest that the complete larval development lasts about four months. Starved larvae, on average, survived for 22±8.1d (maximum 38 d) by far exceeding the zoea I duration in fed larvae, but did not reach the moult to the zoea II stage. Unlike other sub-Antarctic decapods, which show a tendency towards abbreviated or endotrophic larval developments at high latitudes, hermit crabs, at their southernmost distributional limit on Earth, show an extended and fully planktotrophic larval development and thus need to synchronize larval release with short periods of high primary production. Article in Journal/Newspaper Antarc* Antarctic Tierra del Fuego University of Southampton: e-Prints Soton Antarctic Journal of the Marine Biological Association of the United Kingdom 86 4 743 749 |
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Open Polar |
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University of Southampton: e-Prints Soton |
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ftsouthampton |
language |
English |
description |
Fecundity, hatching rhythm, and the planktotrophic larval development of the hermit crab Pagurus comptus from sub-Antarctic waters of the Beagle Channel (Tierra del Fuego) were studied under controlled laboratory conditions of temperature, light cycle, food supply, and salinity. Fecundity was low, ranging from 134 to 848 eggs per female (cephalotoraxic shield length, SL, 2.3^5.0mm). Hatching observed in the laboratory ranged from 6 to 30 d. The larval development was studied in laboratory cultures fed with Artemia sp. nauplii and kept at constant 7.0± 0.58C. Larvae invariably passed through four zoeal instars and one megalopa stage. Mean durations of the zoeal stages I to IV were 14.3±1.8, 16.7±4.6, 23.2±6.5, 33.4±9.2 d, respectively. Combined with the 43.8±5.6 d recorded for the survived megalopae, we suggest that the complete larval development lasts about four months. Starved larvae, on average, survived for 22±8.1d (maximum 38 d) by far exceeding the zoea I duration in fed larvae, but did not reach the moult to the zoea II stage. Unlike other sub-Antarctic decapods, which show a tendency towards abbreviated or endotrophic larval developments at high latitudes, hermit crabs, at their southernmost distributional limit on Earth, show an extended and fully planktotrophic larval development and thus need to synchronize larval release with short periods of high primary production. |
format |
Article in Journal/Newspaper |
author |
Lovrich, Gustavo A. Thatje, Sven |
spellingShingle |
Lovrich, Gustavo A. Thatje, Sven Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory |
author_facet |
Lovrich, Gustavo A. Thatje, Sven |
author_sort |
Lovrich, Gustavo A. |
title |
Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory |
title_short |
Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory |
title_full |
Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory |
title_fullStr |
Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory |
title_full_unstemmed |
Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory |
title_sort |
reproductive and larval biology of the sub-antarctic hermit crab pagurus comptus reared in the laboratory |
publishDate |
2006 |
url |
https://eprints.soton.ac.uk/39213/ https://eprints.soton.ac.uk/39213/1/LovrichThatjeJMBA06.pdf |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Tierra del Fuego |
genre_facet |
Antarc* Antarctic Tierra del Fuego |
op_relation |
https://eprints.soton.ac.uk/39213/1/LovrichThatjeJMBA06.pdf Lovrich, Gustavo A. and Thatje, Sven (2006) Reproductive and larval biology of the sub-Antarctic hermit crab Pagurus comptus reared in the laboratory. Journal of the Marine Biological Association of the United Kingdom, 86 (4), 743-749. (doi:10.1017/S0025315406013658 <http://dx.doi.org/10.1017/S0025315406013658>). |
op_doi |
https://doi.org/10.1017/S0025315406013658 |
container_title |
Journal of the Marine Biological Association of the United Kingdom |
container_volume |
86 |
container_issue |
4 |
container_start_page |
743 |
op_container_end_page |
749 |
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1772810172833464320 |