Brazilian steam gunboat Mearim 1857-1873

Displacement 415 ton and as dimensions 45,72 x 7,1 x 2,28 metres. Fitted out with 1-100 hp steam engine. Sister ships Ibicui, Itajai and Tiete. Armed with 4-32 pd guns en 2-68pd guns. Launched at England in 1857. Last mentioned 1873.