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A New Fish Species Really Uses Its Head

Posted by TFH Magazine in Tropical Fish Hobbyist Blog on August 29, 2012 at 7:45 am

 

According to the journal Zootaxa, a new species of fish was recently discovered in Vietnam. Like all  members of the genus Phallostethus, the newly discovered Phallostethus cuulong, has its reproductive organs located on its head just below the mouth. In fact, the genus name Phallostethus means “penis chest,” referring to the unusual placement of their reproductive organs.

These are small fish, less than an inch long, that are mostly translucent with a bright white blotch over the top of their head. They were collected from shallow areas with slow-flowing water in canals and rivers in Vietnam. They prefer to stay in heavily vegetated areas.

You can read the full study about this newly discovered little fish in Zootaxa.

Photograph courtesy of Magnolia Press.

Posted in Aquatic News by TFH Magazine on August 29th, 2012 at 7:45 am.

1 comment

One Reply

  1. Wow a new species of fish. I’d love reading topics on fish, I’m a fish lover. A nice selection of fish to check is here : pond fish


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