Asian carp spawning areas wider than expected

Mar 20, 2013 by John Flesher

A newly released study says Asian carp may be reproducing in more places and for longer periods than previously thought.

That's a bad sign for natural resource managers looking for ways to stop the invasive fish from reaching more rivers and keep them out of the Great Lakes.

Several varieties of have infested the and many of its tributaries. Scientists say they may be out-competing for food.

A Purdue University study released Tuesday says the aggressive fish are spawning in waters that had been considered too narrow or with currents too slow for their offspring to survive.

Scientist Reuben Goforth says it's uncertain whether eggs laid in those outlying areas will survive to adulthood. But he says findings illustrate the carps' ability to adapt.

Explore further: Conservation organizations need to keep up with nature

not rated yet
add to favorites email to friend print save as pdf

Related Stories

Efforts to close canal to Great Lakes

Aug 08, 2011

Efforts are underway to try and get the river locks on the Chicago Sanitary and Ship Canal closed in order to stop the spread of two invasive species of fish known as the Asian carp and the Snakehead.

Recommended for you

Conservation organizations need to keep up with nature

19 minutes ago

Nature is on the move. As the impacts of climate change reveal themselves, species and ecosystems are moving in response. This poses a fundamental challenge to conservation organizations—how do you conserve ...

Salish Sea seagull populations halved since 1980s

Feb 27, 2015

The number of seagulls in the Strait of Georgia is down by 50 per cent from the 1980s and University of British Columbia researchers say the decline reflects changes in the availability of food.

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.