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Strange discovery: The fish has genitals on the head

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National Geographic Magazine (US) has released fish genitals on the head in Vietnam which is at No. 3 among the top 10 detected in wild areas and most bizarre of this magazine

Phallostethus cuulong
Male Phallostethus cuulong fish (above) and female ones (below) 
(Photo: Magnolia Press / National Geographic)

The fish have genitals on the head with the scientific name Phallostethus cuulong Vietnamese named Vietnam's Mekong River. This is just the fish species in the genus Phallostethidae 22 minutes - all of them have sex organs at the top, particularly behind the mouth.

Like most members of the genus Phallostethidae, Phallostethus cuulong  fish pretty transparent body and a length of about 2.5 cm, published findings on the National Geographic dated 27-8-2012.

Phallostethus Cuulong  fish are found in the shallow waters of the Mekong River system, Vietnam. The scientists said that males have "the blade" head stuck out at the bottom to "attract mates", easy to hold and ejaculating into the genitals of children in the process of mating.

See also:  fun animal facts


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