Place the fish in a non-reactive dish, toss gently with the lime juice, garlic and some salt and pepper and leave to marinate for 30 minutes. Remove and dry on kitchen paper.
Heat the oil in a frying pan and, when it is hot, add the fish and fry for 1–2 minutes on each side, until golden. Remove to a plate. Add the creole sauce to the pan, top with the fish, co