Sturgeon sampled during the St. Louis River are increasingly being fitted with passive built-in transponder (PIT) tags, which allows fisheries staff to watch their advancement. Roughly the size of a wild rice kernel, PIT tags are inserted underneath the skin of every sturgeon caught and so are not obvious to anglers, but is often read through by a Unique wand design reader Should the fish is afterwards caught by fisheries survey crews. By recording the lengths and weights of fish for the…