In 1834, a 22-year-old Yoruba man who would come to be known as Manuel Vidau was captured as a prisoner of war and sold to slave traders in Lagos, today the largest city in Nigeria. A Spanish ship ...

They lurk in the murky, sluggish shallows, their elongated bodies and splotchy, brown skin camouflaged in the shoreline’s woody detritus and dense vegetation. With gaping mouths and sharp, canine-type ...