actinopterygii alaska alaska range ambush predator ancient rome angling animal associated press binomial nomenclature biological classification brackish water british columbia british isles canada catch and release chordate conservation status duck esociformes esox europe finland fish fishbase fishing flank float tube fly fishing freshwater frog game fish genus great lakes basin great sacandaga lake head holarctic hungary insect integrated taxonomic information system international game fish association ireland jaw kilogram kotka lateral line law least concern leech maine michigan missouri muskellunge mutation nebraska new england new york north america ohio optimal foraging theory ounce protacanthopterygii russia salmon species strausberg the northern pikes trivial name trout united states upper mississippi river wikimedia commons wikispecies