2012
DOI: 10.1578/am.38.2.2012.145
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Long-Distance Movements of Indo-Pacific Bottlenose Dolphins (Tursiops aduncus) and Habitat Preference of Two Species of Bottlenose Dolphins in Eastern Kyushu, Japan

Abstract: The Indo-Pacific bottlenose dolphin (Tursiops aduncus) was first confirmed in the coastal waters of the Oita Prefecture in eastern Kyushu, Japan. Boat-based sighting surveys and opportunistic observations for this species were conducted during the survey periods of 56 d between June 2002 and December 2004 in the Oita region. There were five sightings of this species in April, May, and November in 2003 and December in 2004-two groups consisting of more than a dozen dolphins and three solitary dolphins. Seven in… Show more

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Cited by 2 publications
(1 citation statement)
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“…Tursiops aduncus were commonly observed in the shallow, inshore waters of Algoa Bay, which concurs with previous findings by Ross et al (1989) (Algoa Bay), and Vinding et al (2015) (south-western Cape). The presence of T. aduncus in Algoa Bay could be described as part of a 'coastal corridor', with sightings occurring up to 30 m depth (Shirakihara et al, 2012). However, T. aduncus have also been recorded further offshore, and/or associated with bathymetric features, such as canyons and escarpments (and the associated higher prey densities) (Best, 2007;Reeves & Brownell, 2009).…”
Section: Habitat Preference In Relation To Environmental Featuresmentioning
confidence: 99%
“…Tursiops aduncus were commonly observed in the shallow, inshore waters of Algoa Bay, which concurs with previous findings by Ross et al (1989) (Algoa Bay), and Vinding et al (2015) (south-western Cape). The presence of T. aduncus in Algoa Bay could be described as part of a 'coastal corridor', with sightings occurring up to 30 m depth (Shirakihara et al, 2012). However, T. aduncus have also been recorded further offshore, and/or associated with bathymetric features, such as canyons and escarpments (and the associated higher prey densities) (Best, 2007;Reeves & Brownell, 2009).…”
Section: Habitat Preference In Relation To Environmental Featuresmentioning
confidence: 99%