http://fishandgame.idaho.gov/public/fish...sRules.pdf
P44 in the regulations.
Hook: A bent wire device, for the catching of fish, to which
one, two, or three points may be attached to a single shank. Up
to five (5) hooks per line may be used, except where specifically
prohibited. When fishing for salmon or steelhead, the gap
between the point and shank cannot be greater than 5/8 inch. A
single-pointed hook has one shank and one point.
P27
Treasureton Reservoir
• Trout limit is 2, none under 20 inches
• One line only when ice fishing
• No bait allowed, barbless hooks required
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