Serpentine River, Upper Saint John — Fishing restrictions
| Season / Restrictions | Bag Limit | Minimum Size | Maximum Size |
|---|---|---|---|
| January 1 – September 30 Non-boundary waters | 60 | N/A | N/A |
| January 1 – May 31 Dip Net in non-boundary waters | 60 | N/A | N/A |
| January 1 – December 31 Boundary waters between New Brunswick and Maine | 60 | N/A | N/A |
| Exceptions | |||
| July 1 – December 31 Fly Fishing in rivers, brooks and streams from its mouth upstream to the mouth of Salmon Hole Brook | Fly fishing only beginning July 1 | ||
