Ala. Code § 9-12-3

It shall be the duty of every captain of every licensed vessel, when called upon by an inspector so to do, to assist that officer, both in person and with his boat and crew, in making any arrest for any violation of this chapter, and such captains shall use such force at their command as may be necessary in making the arrest when such person attempts to escape or resist arrest, and any captain or member of any crew failing or refusing to aid any inspector when called on shall be guilty of a misdemeanor.