Journal
PLOS ONE
Volume 7, Issue 9, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0044953
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Categories
Funding
- Foundation (Moorea Coral Reef LTER) [OCE04-17412, OCE 10-26851]
- Gordon and Betty Moore Foundation
- FCT (Fundacao para a Ciencia e Tecnologia) [SFRH/BPD/26901/2006]
- Directorate For Geosciences [1236905] Funding Source: National Science Foundation
- Division Of Ocean Sciences [1236905] Funding Source: National Science Foundation
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/26901/2006] Funding Source: FCT
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Reef fishes exhibit a bipartite life cycle where a benthic adult stage is preceded by a pelagic dispersal phase during which larvae are presumed to be mixed and transported by oceanic currents. Genetic analyses based on twelve microsatellite loci of 181 three-spot dascyllus (Dascyllus trimaculatus) that settled concurrently on a small reef in French Polynesia revealed 11 groups of siblings (1 full sibs and 10 half-sibs). This is the first evidence that fish siblings can journey together throughout their entire planktonic dispersal phase (nearly a month long for three-spot dascyllus). Our findings have critical implications for the dynamics and genetic structure of fish populations, as well as for the design of marine protected areas and management of fisheries.
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