In the waters so set apart, the commissioner and persons acting under the commissioner's authority in their respective fish culture and scientific work may take fish at any time or in any manner and erect and maintain any fixtures necessary for these purposes.__In no instance may the commissioner permit the taking of fish by explosive, poisonous or stupefying substances, except for the use of registered fish toxicants for reclamation purposes.

2.__Taking of certain fish. After a hearing pursuant to section 10104, subsection 1, the commissioner may permit the taking of pickerel, perch and other fish in specified waters, subject to conditions the commissioner may prescribe, whenever it appears that those fish seriously injure the propagation of or the fishing for any game fish.

§12752. United States Fish and Wildlife Service

The United States Fish and Wildlife Service and its duly authorized agents may conduct fish culture operations and scientific investigations in the waters of this State in such manner and at such times as the service and its agents consider necessary and proper.

§12753. Screens

1.__Commissioner's authority. The commissioner may:

A.__Authorize, alter and remove the screening of any inland waters; and

B.__Prohibit fishing within 500 yards of any screen installed by authority of the commissioner or the Legislature.

2.__Tampering with screen. A person may not take up, destroy or injure any screen installed pursuant to this section, unless the person is duly authorized by the commissioner.

A person who violates this subsection commits a civil violation for which a forfeiture of not less than $100 nor more than $500 may be adjudged.

§12754. Fish spawning areas