Tag Archive: invasive species

Oct 11

One small turtle, one big reason not to let it go

Red-eared sliders are popular pet turtles. But according to Sara Stahlman of Pennsylvania Sea Grant, “People don’t often realize that these turtles can grow to be up to twelve inches, and they can actually live longer than 30 years. So most pet owners just aren’t prepared for that long-term commitment and so what they do …

Continue reading »

Permanent link to this article: http://www.currentcast.org/biodiversity/one-small-turtle-one-big-reason-not-to-let-it-go/

Sep 18

Invasion of the Bottom-Dwelling Gobies

Aggressive round goby fish are causing mayhem in the Great Lakes. Hook yourself up with the intel: There’s trouble in the Great Lakes, and plenty of it’s coming from a non-native, bottom-dwelling fish called the round goby. These fish hitched a ride in the ballast waters of ships and arrived in the lakes uninvited. This …

Continue reading »

Permanent link to this article: http://www.currentcast.org/creature-features/invasion-of-the-bottom-dwelling-gobies/

Sep 06

Grass carp putting down roots

There are extensive efforts underway to keep invasive Asian carp out of the Great Lakes. But one variety has already been popping up there for over 30 years. For decades, people have used sterilized grass carp to control pond vegetation. Over time, some of those fish have escaped to the Great Lakes. Because they could …

Continue reading »

Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/grass-carp-putting-down-roots/

Aug 21

A “ruffe” road ahead for the Great Lakes

An aggressive little fish is threatening to disturb ecosystems throughout the Great Lakes. The Eurasian Ruffe is recognizable by its long spiny dorsal fin and frowning mouth. It’s native to Northern Europe and Asia, and made its first appearance in Lake Superior in the 1980s, probably after catching a ride on a freighter from Europe. …

Continue reading »

Permanent link to this article: http://www.currentcast.org/creature-features/a-ruffe-road-ahead-for-the-great-lakes/

Aug 16

Some big fish to fry in midwestern rivers

Bighead and silver carp can grow up to four feet long and gobble up food that native fish rely on. These invasive fish are in the Mississippi, Missouri, and Illinois rivers. And if they get into the Great Lakes, they could do enormous damage. John Dettmers, of the Great Lakes Fishery Commission, says one strategy …

Continue reading »

Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/5040/

Older posts «