Photo: Invasive "Walking" Fish Not Wreaking Havoc Yet, Scientists Say

Email to a Friend << Back to Full Story


The northern snakehead seen here was caught in a May 2005 Dogue Creek survey conducted by the Virginia Department of Game and Inland Fisheries.

The snakehead has established itself permanently in the Potomac River, experts say, but the fish haven't wreaked havoc on the local ecosystem—yet.

Photograph courtesy Brett Billings/U.S. Fish and Wildlife Service

EMAIL NEWSLETTER Photos and News of the Week

Get the top photos and news of the week from National Geographic News, plus occasional breaking-news alerts.

See Sample >>
Please enter a valid email address
Privacy Policy

MOST VIEWED NEWS

Deepest-Ever Fish Caught Alive on Camera

Heavy Metal-Eating "Superworms" Unearthed in U.K.

SPACE PHOTOS THIS WEEK: Mercury Close-up, More
NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

Today's National Geographic Photo of the Day

• Today's Photo

• Download as Wallpaper

Photo and Headline Widget

Put our latest news and photos on your Web page or desktop—automatically updates! See Sample
Download Widget