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九州西方海域産小型歯鯨類の研究―1 : 長崎県松浦市で捕獲されたハンドウイルカに就て


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Title: 九州西方海域産小型歯鯨類の研究―1 : 長崎県松浦市で捕獲されたハンドウイルカに就て
Other Titles: Studies on the Little Toothed Whales in the West Sea Area of Kyusyu―I About Tursiops sp. caught at Matuura City, Nagasaki pref.
Authors: 水江, 一弘 / 吉田, 主基
Authors (alternative): Mizue, Kazuhiro / Yoshida, Kazumoto
Issue Date: 31-Jul-1960
Publisher: 長崎大学水産学部
Citation: 長崎大学水産学部研究報告, v.9, pp.33-41; 1960
Abstract: A large number of Tursiops sp. were caught in Tobi-Island of Matuura City in Northern part of Nagasaki Pref. This Tursiops sp. is different from T. truncatus and T. gillii which had been reported in Japan by this time from the view-point of the body color of the head, namely there is no striped dark design in the shape of the anchor at the front of the rear of the head. About the external proportion of body, the head part is smaller, the portion of the waist and tail is longer than the Tursiops spp. which had been reported in Japan. About the skull proportion, the ratio of skull and mandible to body leogth is smaller, ratio of snout to skull length is larger, and it has special characters in the measurement of the every part of skull. On the tooth, the number of teeth in this Tursiops sp. shows the special character too. Moreover, the number of bertebrae in this Tarsiops sp. is different from five Tarsiops spp. which had been reported. From these point, it seems that this Tarsiops sp. is new species.
URI: http://hdl.handle.net/10069/31783
ISSN: 05471427
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:第9号

Citable URI : http://hdl.handle.net/10069/31783

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