(4) Cast nets must not exceed 10 feet in diameter.(5) Except as provided in Section R657-13-21, lawfully taken nongame fish shall be either released or killed immediately upon removing them from the water, however, they may not be left or abandoned on the shoreline. R657-13-15.] Taking Crayfish. (1) A person possessing a valid Utah fishing or combination license may take crayfish for personal, noncommercial purposes during the open fishing season [set ]for the given body of water. (2) Crayfish may be taken by hand or with a trap, pole, liftnet, dipnet, handline, or seine, provided that:
(a) game fish or their parts, or any substance unlawful for angling, is not used for bait;
(b) seines [may]used to capture crayfish do not exceed 10 feet in length or width; (c) no more than five lines are used, and no more than two lines may have hooks attached[. On unhooked lines, bait is tied to the line so that the crayfish grasps the bait with its claw; and]; [(d](d) on unhooked lines, bait is tied to the line so that the crayfish grasps the bait with its claw; (e) no more than three hooks are attached to each line; and (f) live crayfish are not transported from the body of water where taken. (3) A person may not obstruct a waterway, use a chemical, explosive, electricity, poison, crossbow, firearm, pellet gun or archery equipment to take crayfish. (4) A person may use up to two fishing poles to take crayfish on all waters open to fishing, provided they possess a valid, unexpired fishing or combination license. R657-13-[16]15. Possession and Transportation of Dead Fish and Crayfish. (1)(a) At all waters except Strawberry Reservoir, Scofield Reservoir, Panguitch Lake, Jordanelle Reservoir and Lake Powell, game fish may be dressed, filleted, have heads and tails removed, or otherwise be physically altered after completing the act of fishing or reaching a fish cleaning station, camp, or principal means of land transportation. It is unlawful to possess fish while engaged in the act of fishing that have been dressed or filleted. This may not apply to fish that are processed for immediate consumption or to fish held from a previous day's catch.
(b) Trout or salmon taken at Strawberry Reservoir, Scofield Reservoir and Panguitch Lake, and smallmouth bass taken at Jordanelle may not be filleted and the heads or tails may not be removed in the field or in transit.
(c) Fish may be filleted at any time and anglers may possess filleted fish at any time at Lake Powell.
(2) A legal limit of game fish or crayfish may accompany the holder of a valid fishing or combination license within Utah or when leaving Utah.
(3) A person may possess or transport a legal limit of game fish or crayfish for another person when accompanied by a donation letter.
(4)(a) A person may not:
(i) take more than one daily limit of game fish in any one day[,], or; (ii) possess more than one daily limit of each species or species aggregate, unless the additional fish are:
(A) from a previous days catch;
(B) eviscerated; and
(C) within the possession limit for each species or species aggregate;
(iii) possess more than one daily limit of each species or species aggregate while fishing Flaming Gorge Reservoir regardless of when the fish were caught.
(b) Fish kept at the angler's permanent residence do not count toward an angler's possession limit for that species or species aggregate.
(c) A person may possess a full possession limit of Bonneville cisco without eviscerating the fish from a previous day's catch.
(5) A person may possess or transport dead fish on a receipt from a registered commercial fee fishing installation, a private pond owner, or a short-term fishing event. This receipt shall specify:
(a) the number and species of fish;
(b) date caught;
(c) the certificate of registration number of the installation, pond, or short-term fishing event; and
(d) the name, address, telephone number of the seller.
R657-13-[17]16. Possession of Live Fish and Crayfish. (1) A person may not possess or transport live protected aquatic wildlife except as provided by the Wildlife Code or the rules and [proclamation]guidebook of the Wildlife Board. (2) For purposes of this rule, a person may not transport live fish or crayfish away from the water where taken.
(3) This does not preclude the use of live fish stringers, live wells, or hold type cages as part of normal angling procedures while on the same water in which the fish or crayfish are taken.
R657-13-[18]17. Release of Tagged or Marked Fish. Without prior authorization from the division, a person may not:
(1) tag, mark, or fin-clip fish for offering a prize or reward as part of a contest;
(2) introduce a tagged, marked, or fin-clipped fish into the water; or
(3) tag, mark, or fin-clip a fish and return it to the water.
R657-13-[19]18. Season Dates and Daily and Possession Limits. (1) All waters of state fish rearing and spawning facilities are closed to fishing.
(2) State waterfowl management areas are closed to fishing except as specified in the [proclamation]guidebook of the Wildlife Board for taking fish and crayfish. (3) The season for taking fish and crayfish is January 1 through December 31, 24 hours each day. Exceptions are specified in the [proclamation]guidebook of the Wildlife Board for taking fish and crayfish. (4)(a) Daily limits and possession limits are specified in the [proclamation]guidebook of the Wildlife Board for taking fish and crayfish and apply statewide unless otherwise specified. 
