Movement patterns, home range size and habitat utilization of the bluespine unicornfish, Naso unicornis (Acanthuridae) in a Hawaiian marine reserve

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dc.contributor.authorCarl G. Meyer
dc.contributor.authorKim N. Holland
dc.date.accessioned2014-05-12T10:51:52Z
dc.date.available2014-05-12T10:51:52Z
dc.date.issued2005
dc.description.abstractWe quantified bluespine unicornfish, Naso unicornis, movement patterns, home range size and habitat preferences in a small Hawaiian marine reserve. Bluespine unicornfish were site-attached to home ranges situated within the reserve boundaries and their movements were aligned with topographic features. Two different diel movement patterns (‘commuting’ and ‘foraying’) were observed. Commuters made crepuscular migrations of several hundred meters between daytime foraging areas and nighttime refuge holes. Foraying fish did not partake in crepuscular migrations and utilized refuge holes both day and night. Two bluespine unicornfish were also nocturnally active. There was little direct evidence of dispersal from the reserve but differences in bluespine unicornfish abundance and size among reef habitat zones were consistent with ontogenetic habitat shifts. The influence of habitat topography on bluespine unicornfish movements suggests that gross habitat characteristics could be used to predict reef fish movements. This could provide a simple method for setting marine reserve boundaries at sites for which empirical fish movement data are unavailable.en_US
dc.identifier.citationEnvironmental Biology of Fishes (2005) 73:201–210en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1145
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectsurgeonfishen_US
dc.subjectdiel migrationsen_US
dc.subjectnocturnal activitiesen_US
dc.subjectacoustic telemetryen_US
dc.titleMovement patterns, home range size and habitat utilization of the bluespine unicornfish, Naso unicornis (Acanthuridae) in a Hawaiian marine reserveen_US
dc.typeArticleen_US

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