Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva
<qd> Shea, E. K., and Vecchione, M. 2010. Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva. – ICES Journal of Marine Science, 67: 1436–1443. </qd>Planktonic and ne...
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fthighwire:oai:open-archive.highwire.org:icesjms:67/7/1436 2023-05-15T17:35:01+02:00 Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva Shea, Elizabeth K. Vecchione, Michael 2010-10-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/67/7/1436 https://doi.org/10.1093/icesjms/fsq104 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/67/7/1436 http://dx.doi.org/10.1093/icesjms/fsq104 Copyright (C) 2010, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2010 fthighwire https://doi.org/10.1093/icesjms/fsq104 2010-09-18T15:45:24Z <qd> Shea, E. K., and Vecchione, M. 2010. Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva. – ICES Journal of Marine Science, 67: 1436–1443. </qd>Planktonic and newly hatched cephalopods are routinely called paralarvae. Currently, the onset of diel vertical migration (DVM) marks the end of the paralarval phase, although changes in ontogenic growth trajectories may also be used. Patterns of DVM are reported for the first time for three poorly understood mesopelagic squid species. Discrete-depth samples taken during the Amsterdam Mid North Atlantic Plankton Expeditions (AMNAPE) of 1980–1983 are used to examine the timing of ecological and morphological changes in Chtenopteryx sicula , Mastigoteuthis magna , and Brachioteuthis sp. 3. DVM patterns are species-specific, and ontogenic changes in DVM coincide with allometric changes in the arm, fin, and funnel characters of C. sicula at 7 mm mantle length. Mastigoteuthis magna is not concentrated in the upper 250 m of the water column during the day, and no clear DVM pattern is found in Brachioteuthis sp. 3, meaning that the endpoint of the paralarval phase cannot be defined ecologically in these species. Other ecological transformations, e.g. changes in prey-capture ability, are therefore explored as alternatives to DVM. The pad-shaped club and long neck are proposed as visual markers of the end of the paralarval phase of C. sicula and Brachioteuthis sp. 3, respectively. Text North Atlantic HighWire Press (Stanford University) ICES Journal of Marine Science 67 7 1436 1443 |
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Articles Shea, Elizabeth K. Vecchione, Michael Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
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<qd> Shea, E. K., and Vecchione, M. 2010. Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva. – ICES Journal of Marine Science, 67: 1436–1443. </qd>Planktonic and newly hatched cephalopods are routinely called paralarvae. Currently, the onset of diel vertical migration (DVM) marks the end of the paralarval phase, although changes in ontogenic growth trajectories may also be used. Patterns of DVM are reported for the first time for three poorly understood mesopelagic squid species. Discrete-depth samples taken during the Amsterdam Mid North Atlantic Plankton Expeditions (AMNAPE) of 1980–1983 are used to examine the timing of ecological and morphological changes in Chtenopteryx sicula , Mastigoteuthis magna , and Brachioteuthis sp. 3. DVM patterns are species-specific, and ontogenic changes in DVM coincide with allometric changes in the arm, fin, and funnel characters of C. sicula at 7 mm mantle length. Mastigoteuthis magna is not concentrated in the upper 250 m of the water column during the day, and no clear DVM pattern is found in Brachioteuthis sp. 3, meaning that the endpoint of the paralarval phase cannot be defined ecologically in these species. Other ecological transformations, e.g. changes in prey-capture ability, are therefore explored as alternatives to DVM. The pad-shaped club and long neck are proposed as visual markers of the end of the paralarval phase of C. sicula and Brachioteuthis sp. 3, respectively. |
format |
Text |
author |
Shea, Elizabeth K. Vecchione, Michael |
author_facet |
Shea, Elizabeth K. Vecchione, Michael |
author_sort |
Shea, Elizabeth K. |
title |
Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
title_short |
Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
title_full |
Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
title_fullStr |
Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
title_full_unstemmed |
Ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
title_sort |
ontogenic changes in diel vertical migration patterns compared with known allometric changes in three mesopelagic squid species suggest an expanded definition of a paralarva |
publisher |
Oxford University Press |
publishDate |
2010 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/67/7/1436 https://doi.org/10.1093/icesjms/fsq104 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/67/7/1436 http://dx.doi.org/10.1093/icesjms/fsq104 |
op_rights |
Copyright (C) 2010, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsq104 |
container_title |
ICES Journal of Marine Science |
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67 |
container_issue |
7 |
container_start_page |
1436 |
op_container_end_page |
1443 |
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1766134044047704064 |