General Regulations - Missisquoi River
| Species | Minimum Length | Daily Limit | Legal Methods | Open Seasons for Harvest |
| All Species | NA | NA | Closed to All Fishing | Closed to All Fishing - March 16 to 1st Sat in May |
| American Shad | NA | 0 | Catch and Release Open-water fishing | 1st Sat in May to March 15 |
| Bowfin, Redhorse, Gar | NA | No more than 5 of any one species | Open-water fishing, Ice fishing, Spear gun, Bow and crossbow all with line attached | 1st Sat in May to March 15 |
| Bowfin, Redhorse, Gar | NA | No more than 5 of any one species | Shooting, hand-held spearing | 1st Sat in May to May 25 |
| Carp, Suckers (Longnose and White) , Cull fish | NA | No Limit | Open-water fishing, Ice fishing, Spear gun, Bow and crossbow all with line attached | 1st Sat in May to March 15 |
| Carp, Suckers (Longnose and White) , Cull fish | NA | No Limit | Shooting, hand-held spearing | 1st Sat in May to May 25 |
| Crappie | 8" | 25 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Lake Sturgeon | NA | 0 | No fishing | No open season |
| Muskellunge | NA | 0 | Catch and release with artifical lures and flies only | 1st Sat in May to March 15 |
| Northern Pike | 20" | 5 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Northern Pike | 20" | 5 | Shooting, hand-held spearing | 1st Sat in May to May 25 |
| Rainbow Smelt | None | No Limit | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Sauger | NA | 0 | None | No open season |
| Walleye | 18" | 3 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| White Perch | NA | No Limit | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Rock Bass | NA | No Limit | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Bluegill and Pumpkinseed | NA | No Limit | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Brook Trout, Brown Trout, Rainbow Trout | 12" | Total of Brook + Brown + Rainbow = no more than 3 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Bullhead | None | No Limit | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Bullhead | None | No Limit | Shooting, hand-held spearing | 1st Sat in May to May 25 |
| Chain Pickerel | None | 10 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Chain Pickerel | None | 10 | Shooting, hand-held spearing | 1st Sat in May to May 25 |
| Lake Trout | 15" | 3 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Landlocked Atlantic Salmon | 15" | 2 | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |
| Yellow Perch | None | No Limit | Open-water fishing, Ice fishing | 1st Sat in May to March 15 |