Crofton, Maryland - As fish go, the northern snakehead is something to behold. The toothy, torpedo-shaped native of the Yangtze River in China grows up to one metre long, and when its food sources run ...

The invasion of the banned red claw crayfish (Cherax quadricarinatus) in several rivers in Johor, Malaysia, has become so devastating that angling boat operators hired by giant shrimp anglers have to ...

Three alien species of fish which had previously never been seen in Maltese waters have been spotted for the first time over the past year, according to researchers. An alien species is any plant, ...