| reproduction and development of the conspicuously dimorphic brittle star ophiodaphne formata (ophiuroidea). | ophiodaphne formata is a conspicuously dimorphic ophiuroid; the disk diameters are approximately 1 mm for males and 5 mm for females. the dwarf male clings to the larger female, with the oral surfaces and bursae of the paired ophiuroids closely appressed. moreover, the female of each pair adheres aborally to the oral surface of a host sand dollar, astriclypeus manni. spawning and external fertilization occur in august, at tsuruga bay, sea of japan. development of the dimorphic brittle star o. fo ... | 2004 | 14977727 |