Abstract: A subsea connector assembly is provided for automatically coupling a movable subsea structure to a tubular fixed subsea structure. The connector assembly comprises a male connector assembly, removably mountable to the movable subsea structure, and further comprising a throughbore, at least one first actuator member and at least one second actuator member. The connector assembly further comprises an adapter assembly, removably mountable to an end-fitting of a string of tubulars, comprising at least one first engagement member and at least one second engagement member, each of said at least one first and second engagement member are operable to be acted upon by said first and/or second actuator member so as to selectively release a locked engagement with said male connector assembly, allowing said adapter assembly to be moved through said throughbore of said male connector assembly.