La. R.S. 56:17

The director may take fish of any kind in any manner or place for the purpose of science and of cultivation and distribution and may grant written permits to other persons for the same purpose. He may introduce or permit to be introduced any kind of fish into any waters. He may, after a hearing, set apart for a term not exceeding ten years any waters in the state for the purpose of propagation or for the use of the United States Fish and Wildlife Service. The order setting apart such waters shall be recorded in the conveyance office of the parish in which they are situated. He may erect and maintain such fixtures as are necessary for the purpose of propagation and maintenance.