31 Tex. Admin. Code § 57.385
(a) No person may sell, offer for sale, possess for purposes of sale, or exchange for anything of value shad taken from public fresh water unless the person possesses:
(b) No person may collect and possess shad taken from public fresh water without a permit issued under this section unless the person possesses a valid recreational fishing license issued by the department and the shad are:
(2) possessed in a container or containers that in the aggregate constitute 30 gallons or less in volume. The volume limit does not apply when shad are possessed:
Source Note:The provisions of this §57.385 adopted to be effective April 13, 2017, 42 TexReg 1904; amended to be effective January 29, 2019, 44 TexReg 432.