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It wouldn’t be a Friday afternoon if we all didn’t  learn a new fascinating bit of information… today we are going to learn about a wonderful species of fish renowned in the animal kingdom for having their genitals and their anuses directly under their throats.

Call it evolutionally blessed or just f*&ked up, Vietnam’s Mekong River is home to the two-centimeter-long male Phallostethus cuulong, or as I like to call it, ‘priapiumfish’.

The new species was discovered in July 2009 by Koichi Shibukawa of the Nagao Natural Environment Foundation in Tokyo, Japan.

Male priapiumfish don’t have a penis like humans and other mammals. Instead they have a unique organ called a priapium, which faces backwards and looks like a muscular nozzle.

The priapium of P. cuulong has two attachments, both of which look frankly dangerous. At the bottom near the tip, there is a forward-facing serrated saw, or ctenactinium. Further forward, right under the head, there is a forward-facing rod called the toxactinium.

To deliver their terrible, terrible love, the priapiums of Phallostethus cuulong tend to favor either the right or left side. And to make matters all the more hilarious, the fish’s anus loops around in its body, causing it to excrete out of the priapium.

[Cheers newscientist]