Fish with missing fin | Fishing Wisconsin | Wisconsin DNR FISH WITH MISSING FIN Fishing Wisconsin The Department of Natural Resources (DNR) fisheries biologists track fish for research purposes There are various ways DNR marks fish, which are part of these research studies: a tag is attached to the fish, or a radio transmitter is implanted, as noted by a wire antenna, or
Did I catch a snakehead? | Fishing Wisconsin | Wisconsin DNR The bowfin, a Wisconsin native Snakeheads may be confused with our native bowfin (dogfish) or burbot Snakehead and bowfin body and fin shapes are very similar However, there are two distinct differences: The snakehead's anal fin is long - about 2 3 the length of the dorsal fin, while the bowfin's anal fin is short - less than one quarter the length of the dorsal fin, and The snakehead's
Fishing Lake Michigan trout and salmon? - Wisconsin DNR Although fish can be missed during the process of fin-clipping, and regeneration of fins can occur, we have seen evidence of natural reproduction of lake trout in Lake Michigan for decades but more have been detected since 2011 The number of unclipped lake trout captured in assessment surveys and documented in the creel surveys varies lake-wide
Snakehead, Bowfin, or Burbot Know the difference - Wisconsin DNR The snakehead’s anal fin is long - about 2 3 the length of the dorsal fin, while the bowfin’s anal fin is short - less than one quarter the length of the dorsal fin, and The snakehead’s pelvic fins are found almost under-neath the pectoral fins, while the bowfin’s pelvic fins are set back from the pectoral fins