An invading rare kind of self-cloning crayfish has been discovered in Madagascar, and is causing all sorts of alarm among researchers.

For our UK readers: Have you ever found a foreign species and ever wondered what could be done about the situation? Wonder no more! You can now do your bit to help out the environment in the UK by reporting your sightings of these creatures.

This past June a bighead carp was reeled in near Lake Michigan, and it seems highly likely that it spent just about its entire life in the Great Lakes.

Governor Ted Strickland is getting about half of what he pleaded the White House to do in a July 8th letter about the Asian Carp problem. As you know, the Asian carp are entering into Lake Michigan, and if not stopped, it could become a colossal problem!

Two young lionfish have been reeled in by Florida fisheries scientists this past week by two different fishing expeditions, one 99 miles from the coast, and the other 160 miles off the coast, just a tad north of the Dry Tortugas, and a little bit west of Cape Romano. This news was reported by the Florida Fish and Wildlife Research institute in a conference.

The latest plan of action for getting rid of the Asian Carp (a very invasive species that could potentially throw the entire Great Lakes Ecosystem out of whack), comes from Governor Pat Quinn who wants to sell them to China.

A call to arms was issued Friday, and was answered by scientists as well as federal, state and regional volunteers to help stamp out an invasive species of clams which are threatening to slime one of the most pristine lakes in the world.

Steps are finally being taken to help get rid of the invasive lionfish, but not the steps that you would think. TCI restaurants are going to be putting lionfish on their menus, to help cull them from the TCI waters.

The Florida Fish and Wildlife Conservation Commission (FWC) has declared March 8 through April 17 hunting season for Burmese pythons living on state lands in South Florida.

The invasive Asian carps seem to have bypassed the electric barrier built to protect the North American Great Lakes from potential ecological disaster.

Massive fish death is planned for the Chicago Sanitary and Ship Canal, historically known as the Chicago Drainage Canal, in northern United States.

Bermuda’s first Lionfish Tournament resulted in just four participants returning with lionfish for the weigh-in. Although this might sound disheartening, it is actually happy news for Lionfish project leader Chris Flook of the Bermuda Aquarium, Museum and Zoo since it indicates a relative scarcity of lionfish in Bermuda waters.

Ballast water is great for stabilizing a ship in rough waters. Unfortunately, it is equally great at carrying all sorts of aquatic organisms across the world before releasing them into new ecosystems where many of them become problematic invasive species.

The invasive kelp Undaria pinnatifida is has now spread from Los Angeles to San Francisco Bay, despite eradication efforts.

Specimens of the invasive Blue catfish (Ictalurus furcatus) have now grown large enough to reach the top of the food chain in James River, Virginia. A catfish weighing 102 lbs (46 kg) was caught from the river not long ago; the largest caught freshwater fish ever to be reported from Virginian waters.