La. Stat. tit. 56 § 499.4
No person shall take shrimp at night, from one-half hour after official sunset until one-half hour before official sunrise, from the inside waters of Vermilion Bay, West Cote Blanche Bay, East Cote Blanche Bay, and Atchafalaya Bay, from the western shore of Vermilion Bay to the western shore of the Atchafalaya River and the Atchafalaya River Ship Channel out to Eugene Island, as described by the inside-outside line in R.S. 56:495, except that night shrimping shall be allowed in the waters of Southwest Pass at Marsh Island south of a line drawn from the following points: the most southeastward point of Southwest Pass at 29 degrees 36 minutes 47 seconds north latitude, 92 degrees 00 minutes 32 seconds west longitude east southeast to the Green Light Channel Marker Number 21 at 29 degrees 36 minutes 44 seconds north latitude, 92 degrees 00 minutes 21 seconds west longitude; thence northeast to a point located at 29 degrees 37 minutes 34 seconds north latitude, 91 degrees 59 minutes 36 seconds west longitude; thence southeast to the western shore of Big Charles Bayou at 29 degrees 36 minutes 43 seconds north latitude, 91 degrees 59 minutes 17 seconds west longitude.
La. R.S. § 56:499.4