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Foraging rates and substratum selection in foraging activity of checkered snapper Lutjanus decussatus (Lutjanidae) in an Okinawan coral reef

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The activity patterns and substratum selection for foraging of checkered snapper Lutjanus decussatus were observed. The foraging rate of small-sized individuals (<150 mm in total length, LT) was significantly greater than that of large-sized individuals (≥150 mm LT). There was significant positive use of live branching corals, whereas negative use of coral rubble, rocks and sand for both small-sized and large-sized individuals.
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Keywords: Lutjanidae; Lutjanus decussatus; foraging activity; foraging substrata; size class

Document Type: Research Article

Affiliations: Ishigaki Tropical Station, Seikai National Fisheries Research Institute, Fukai-Ota 148-446, Ishigaki, Okinawa 907-0451, Japan

Publication date: 2008-10-01

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