When was slave ship clotilde built what was her capabilities and her size?

The schooner Clotilda is the last known United States slave ship to bring enslaved people from Africa to the United States. Constructed in 1855 by the Mobile, Alabama captain and shipbuilder William Foster, the Clotilda was originally intended for the "Texas trade." It was eighty-six feet in length, twenty-three feet in breadth, possessed two masts and one deck, weighed 120 81/91 tons. She could carry about 190 slaves.