Stuff you did not know and doubtless do not care about

Phallostethus cuulong was swimming quietly in Vietnam’s Mekong River, minding its personal enterprise, when people found the fish in 2009. And now that researchers have described P. cuulong [pdf], we will’t assist violating its privateness by gazing unabashed at its most attention-grabbing characteristic. That characteristic sits on the throat within the type of a priapium, an organ with as many components as a Swiss Military knife, most of which contribute to a single operate: making as many infants as potential.

P. cuulong is probably the most not too long ago found species of twenty-two recognized priapiumfish, a household whose males have changed their penises with muscular priapia, fashioned from the modified bones of the pectoral and pelvic fins. Along with an anal opening and a genital pore, the priapium features a rod and a serrated hook for grabbing a feminine’s head to maintain her throat, and its oviduct opening, near the genital pore. A agency grip lets the priapium fertilize the feminine internally with out dropping too many sperm. Though it sounds uncomfortable, this mating technique is definitely very efficient: Researchers have discovered feminine priapiumfish with full oviducts, making certain that almost all of their eggs get fertilized. Provides a complete new which means to the time period “necking,” doesn’t it?

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