Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris
8 pages, 4 figures, 3 tables
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2000-08
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| Online Access: | http://hdl.handle.net/10261/275725 |
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dig-icm-es-10261-2757252022-07-18T07:42:52Z Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris Villanueva, Roger 8 pages, 4 figures, 3 tables Apart from one study that reported growth of less than one increment per day in statoliths of the squid Alloteuthis subulata, most studies so far have presumed that one increment was laid down per day in the statoliths of the squid species they examined. The present study provides evidence of differential daily growth rates in embryonic statoliths of the squid Loligo vulgaris Lamarck, 1798, thus confirming a previous report for A. subulata. Incremental growth rates of L. vulgaris statoliths differ as a function of temperature. Squid embryos were incubated in the laboratory at three temperatures (12.0, 15.5 and 21.1 °C), and tetracycline staining was used to follow statolith growth. This growth slowed in squid exposed to the lowest temperature, but recovered when the squid were returned to warm conditions, indicating statolith adaptation. Statolith growth rate after incubation at 12 °C was 1.3% d-1 and reached 6.1% d-1 for squids exposed to 21.1 °C. Statoliths from embryos incubated at 15.5 °C yielded a rate of 1 increment d6-1 and a mean daily growth of 2.2 μm in the dorsal dome area of the statolith. In contrast, the slow growth of statoliths incubated at 12 °C yielded a mean daily growth of only 0.9 μm in the dorsal dome and the readings resulted in a less-than-daily increment-deposition rate 2022-07-18T07:40:03Z 2022-07-18T07:40:03Z 2000-08 2022-07-18T07:40:03Z artículo issn: 0025-3162 e-issn: 1432-1793 Marine Biology 137: 161-168 (2000) http://hdl.handle.net/10261/275725 10.1007/s002270000323 https://doi.org/10.1007/s002270000323 Sí none Springer |
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España |
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biblioteca |
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Europa del Sur |
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| description |
8 pages, 4 figures, 3 tables |
| format |
artículo |
| author |
Villanueva, Roger |
| spellingShingle |
Villanueva, Roger Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris |
| author_facet |
Villanueva, Roger |
| author_sort |
Villanueva, Roger |
| title |
Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris |
| title_short |
Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris |
| title_full |
Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris |
| title_fullStr |
Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris |
| title_full_unstemmed |
Differential increment-deposition rate in embryonic statoliths of the loliginid squid Loligo vulgaris |
| title_sort |
differential increment-deposition rate in embryonic statoliths of the loliginid squid loligo vulgaris |
| publisher |
Springer |
| publishDate |
2000-08 |
| url |
http://hdl.handle.net/10261/275725 |
| work_keys_str_mv |
AT villanuevaroger differentialincrementdepositionrateinembryonicstatolithsoftheloliginidsquidloligovulgaris |
| _version_ |
1777667795559907328 |