Hope this answers your question. From pages 16 &19 of the regs.
Non-Angling Methods of Capturing Fish Ontario and Canadian residents and nonCanadian residents with a valid Recreational Fishing Licence may fish with one dip net, one seine net, one spear or a bow and arrow for the species and during the periods outlined below.
If the Zone is not identified below, then there is no open season for that species. Dip nets: may be no more than 183 cm on each side if angular, or 183 cm in diameter if circular. Seine nets: may be no more than 10 m long and 2 m high. Spears: cannot be possessed on or within 30 m of the edge of any waterbody except when fishing for carp and White Sucker as described on this page. Bow and arrow: includes all longbows. Longbows are considered a firearm under the Fish and Wildlife Conservation Act. People fishing with a longbow who handle or discharge it without due care for people or property may be liable to a fine and/ or imprisonment. Any injury requiring treatment by a physician that is caused by the discharge of a firearm while it was possessed for fishing must be reported to a conservation officer.
Baitfish
Limit: 120 (includes those caught or purchased) Only Ontario and Canadian resident anglers may capture baitfish. Only the following methods may be used: • One baitfish trap no more than 51 cm long and 31 cm wide can be used day or night. Baitfish traps must be clearly marked with the licence holder’s name and address. • One dip-net no more than 183 cm on each side if angular or 183 cm across if circular, during daylight hours only (after sunrise and before sunset). • Dip-nets and baitfish traps may not be used in Algonquin Park.
For species of baitfish permitted, see pages 19 and 20 of the regs.