TitleVariation in pelagic larval growth of Atlantic billfishes: the role of prey composition and selective mortality
Publication TypeJournal Article
Year of Publication2010
AuthorsSponaugle, S, Walter, KD, Denit, KL, Llopiz, JK, Cowen, RK
JournalMarine Biology
Type of ArticleJournal Article

Atlantic blue marlin (Makaira nigricans) and sailfish (Istiophorus platypterus) larvae were collected from 10 monthly cruises (June-October 2003 and 2004) across the Straits of Florida to test (1) whether growth differed between the more productive western region near the Florida shelf, and the less productive eastern region toward the Bahamas, and (2) whether growth was related to prey consumption. Examination of larval sagittal otoliths revealed that instantaneous growth and daily growth during the first 2-3 weeks of life did not vary significantly between the two regions for either species. However, recent growth during the last two full days prior to collection was greater in the west for blue marlin larvae. Recent growth of blue marlin larvae

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