Vertical and horizontal distributions of coral-reef fish larvae in open water immediately prior to reef colonization

David Lecchini, Villem Waqalevu, Sophie L Holles, M. Lerohellec, Christophe Brie, Stephen Simpson

Research output: Contribution to journalArticle (Academic Journal)

3 Citations (Scopus)

Abstract

To explore the vertical and horizontal distributions of fish larvae near the end of their pelagic period, six light traps were set up over four lunar months at different depths (sub-surface, midwater and bottom) and different habitat types (reef slope: 50m horizontal distance from the reef crest; frontier zone: 110m horizontal distance; sandy zone: 200m horizontal distance) on the outer reef slope of Moorea Island, French Polynesia. The highest captures were in sub-surface traps on the reef slope and the frontier zone, and in bottom traps on the sandy zone and the frontier zone. It is hypothesized that fish larvae move towards the surface near the reef slope to avoid reef-based planktivores and to get into a favourable position for surfing over the reef crest.
Original languageEnglish
Pages (from-to)2135-2140
Number of pages6
JournalJournal of Fish Biology
Volume82
DOIs
Publication statusPublished - 2013

Keywords

  • Coral reefs
  • Habitat selection
  • Light trap
  • Marine larvae
  • Recruitment

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