Phallostethus cuulong, a species of priapusfish described in 2012, and collected from the Mekong Delta in Sóc Trăng & Trà Vinh provinces, southern Vietnam. The Mekong is known as the Cửu Long in Vietnamese.

https://t.co/Wjlvq5SMuq

📷: Shibukawa et al. (2012)

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Priapium Fishes such as have males with specialized genitalia located on the ventral surface of their heads. https://t.co/FEuF2MZizp

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頭部に消化管生殖器を備えるPhallostethus cuulong。雄生殖器(写真)にはハサミの構造があり、雌生殖器に把握するための器官だとか。これで生殖しやすくしている。
論文 Research Gate https://t.co/kaK6uPSaze

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