NDLI: Groups travel further: pelagic metamorphosis and polyp clustering allow higher dispersal potential in sun coral propagules

Content Provider	Springer Nature Link
Author	Mizrahi, Damián Navarrete, Sergio A. Flores, Augusto A. V.
Copyright Year	2014
Abstract	We report that planulae produced by Tubastraea coccinea can metamorphose and aggregate in groups of up to eight polyps in the water column, without previous settlement on benthic substrate. We also evaluated the survival of propagules to test whether different levels of aggregation allowed for longer planktonic life and, therefore, higher dispersal potential. Our results show that pelagic polyps live longer than planulae, probably because they can feed and meet the presumably high-energy demands of swimming. Clusters of two or more individuals lived longer than solitary polyps. However, mortality did not differ between small (2–3 polyps) and large (4–8 polyps) clusters, suggesting the existence of an upper limit to cluster size. Most swimming clusters (80 %) remained alive after 6 months, suggesting that pelagic metamorphosis and cluster formation can be a key life-history feature increasing dispersal potential, population connectivity, and the colonization of new habitats in this invasive species.
Starting Page	443
Ending Page	448
Page Count	6
File Format	PDF
ISSN	07224028
Journal	Coral Reefs
Volume Number	33
Issue Number	2
e-ISSN	14320975
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-03-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Larvae Planktonic metamorphosis Pelagic clusters Invasive species Propagule dispersal Freshwater & Marine Ecology Oceanography
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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