Otter trailed 6-0 at the halfway stage, having been thwarted by excellent saves from goalkeeper Amy Styles (picture - by Trevor Hyde) - and hammering several shots against the posts. They improved in the later stages but six-goal Danica Brazier ensured both points for the Marlins.
Welsh Wanderers beat Manchester Comets 9-3, including four goals by Milly Wordley and three by Emma Gillie.
Gloria Bosworth claimed a hat-trick in Hucknall's 11-4 success against Tyldesley.