National Geographic

World's Largest Catfish Species Threatened by Dam

<table cellspacing="0" cellpadding="1"> <tr> <td valign="top"> <a href="http://news.nationalgeographic.com/news/2008/04/080408-giant-catfish.html"> <img src="http://news.nationalgeographic.com/news/images/thumbs/080408-giant-catfish_60x40.jpg" height="40" width="60" alt="image" /> </a> </td> <td valign="top"> <p>The largest freshwater fish ever caught, the Mekong giant catfish, could face extinction if a large dam is completed in Laos, experts say. <I>Part six of an ongoing series on megafishes.</i></p> </td> </tr></table>