[MARMAM] New paper on spontaneous ejaculation in a wild dolphin

Tadamichi Morisaka chaka at wrc.kyoto-u.ac.jp
Wed Aug 28 18:31:44 PDT 2013

Dear MARMAM subscribers,

I'm pleased to announce the following paper on spontaneous ejaculation
in a wild dolphin:

Morisaka T, Sakai M, Kogi K, Nakasuji A, Sakakibara K, Kasanuki Y,
Yoshioka M (2013) Spontaneous ejaculation in a wild Indo-Pacific
bottlenose dolphin (Tursiops aduncus). PLoS ONE 8(8): e72879.

[Abstract] Spontaneous ejaculation, which is defined as the release of
seminal fluids without apparent sexual stimulation, has been
documented in boreoeutherian mammals. Here we report spontaneous
ejaculation in a wild Indo-Pacific bottlenose dolphin (Tursiops
aduncus), and present a video of this rare behavior. This is the first
report of spontaneous ejaculation by an aquatic mammal, and the first
video of this behavior in animals to be published in a scientific

This is an open-access paper and everyone can download this paper from
the following site:


Please email me at chaka at wrc.kyoto-u.ac.jp if you have any trouble to
download it.

All the best,
           Tadamichi Morisaka (Chaka)


Tadamichi MORISAKA, Ph.D.

Assistant Professor
Wildlife Research Center of Kyoto University

2-24, Tanaka-Sekiden-cho, Sakyo-ku,
Kyoto 606-8203, Japan

Tel: 075-771-4388; Fax: 075-771-4394
chaka at wrc.kyoto-u.ac.jp

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