SYDNEY: A “walking” fish that can move across dry land is threatening to make its way to Australia from Papua New Guinea and could pose a threat to local birds and marine life, scientists have warned.
The climbing perch, an invasive and exceedingly aggressive freshwater species which drags itself between waterholes, can survive for up to six days without water and has already made its way to islands off Australia.
Scientists monitoring the fish’s progress now believe it can survive in saltwater and is set to head for the Australian mainland, possibly by catching a ride in a fishing boat.
The fish was discovered on two small Australian islands in late 2005, about three to four miles south of Papua New Guinea.
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