"a voracious freshwater fish that is native to northeastern China; can use fin to walk and can survive out of water for three days; a threat to American populations of fish"@en-us . . "northern snakehead"^^ . . "02514320-n"^^ . . . . . . "102514320"^^ . . "102425003"@en-us . "0"^^ . "0"^^ . . . "northern snakehead"@en-us .