R.I. Gen. Laws § 21-15-4: Construction, size, and packing of casks.

Every cask shall be well seasoned and bound with twelve (12) hoops. Casks for menhaden and herrings shall be of the capacity to hold twenty-eight gallons (28 gals.), and those for other fish of the capacity, if a barrel, to hold two hundred pounds (200 lbs.), and if a half barrel, one hundred pounds (100 lbs.) weight of fish. Each cask shall be full and the fish shall be sound and well cured.