That is a North American native, the hogchoker (Trinectes maculatus) and the picture is found here, http://images.google.com/imgres?img...=/images?q=Trinectes+maculatus&hl=en&lr=&sa=G
That was too easy, lol, you got it, in some lakes they get to 20"dredcon said:Odontesthes bonariensis?