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First record of the Indo-Pacific bottlenose dolphin, Tursiops aduncus, in Korean waters

Animal Cells and Systems 2010년 14권 3호 p.213 ~ 219
김현우, 최석관, 김장근, 안용락, 문대연,
소속 상세정보
김현우 ( Kim Hyun-Woo ) - National Fisheries Research and Development Institute Cetacean Research Institute
최석관 ( Choi Seok-Gwan ) - National Fisheries Research and Development Institute Cetacean Research Institute
김장근 ( Kim Zang-Geun ) - National Fisheries Research and Development Institute Fisheries Resources Research Division
안용락 ( An Yong-Rock ) - National Fisheries Research and Development Institute Cetacean Research Institute
문대연 ( Moon Dae-Yeon ) - National Fisheries Research and Development Institute Cetacean Research Institute

Abstract


Bottlenose dolphins (Tursiops sp.) commonly inhabit Korean waters, including the coastal waters of Jeju Island. However, their taxonomic position was unclear because of the validity of this genus. The genus Tursiops has recently been determined to comprise two species: the common bottlenose dolphin (Tursiops truncatus) and the Indo-Pacific bottlenose dolphin (Tursiops aduncus). To confirm the taxonomic position of bottlenose dolphins frequenting the coastal waters of Jeju Island, the external morphology and osteology of specimens from Jeju Island were examined. Photographs of free-swimming individuals were also used for determining external morphological characters. The cranial and meristic measurements fell within the ranges of T. aduncus. Osteological ratios were also consistent with those of T. aduncus. The presence of a prominent ventral spot was observed among some individuals. As a result, the dolphins mainly distributed in the coastal waters of Jeju Island were identified as Indo-Pacific bottlenose dolphins (T. aduncus) in terms of their cranial characters and ventral spotting. We propose a new Korean name, ‘Nam-bang-keun-dol-go-rae’.

키워드

bottlenose dolphin; Tursiops aduncus; Jeju Island; first record; Korea

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