Mass. Gen. Laws ch. 130 § 9
The director, the deputy directors of enforcement, chiefs of enforcement, deputy chiefs of enforcement and all environmental police officers and deputy environmental police officers or a member of the state police may, without a warrant, search any boat, vessel, fish car, bag, box, locker, package, crate, any building other than a dwelling house, any motor vehicle as defined in section one of chapter ninety, or other vehicle, or any other personal property in which he has reasonable cause to believe, and does believe, that fish taken, held, kept, possessed, transported or held for transportation or sale in violation of law, may be found, and may seize any such fish there found, and may seize any boat, vessel, fish car, bag, box, locker, package, crate, any motor vehicle as defined in section one of chapter ninety, or other vehicle, or any other personal property used in a violation of the laws relative to marine fisheries and hold the same for forfeiture.
Any such person or officer may arrest without a warrant any person found violating any provision of this chapter or of any ordinance, rule or regulation made under authority thereof, or any other provision of law relative to marine fisheries.
Mass. Gen. Laws ch. 130, § 9