DYSOMMA OPISTHOPROCTUS, A NEW SYNAPHOBRANCHID EEL (PISCES, SYNAPHOBRANCHIDAE) FROM THE NORTHEASTERN COAST OF TAIWAN

A new species of synaphobranchid eel, Dysomma opisthoproctus, is descr ibed on the basis of a single specimen from the northeastern coast of Taiwan at depth about 200 m. It is characterized by a posteriorly posi tioned anus (1.5 times head length behind pectoral-fin base), well-dev eloped cheek papillae, seven or eight compound dentary teeth, four com pound vomerine teeth, four infraorbital pores, three supraorbital pore s, seven preoperculomandibular pores, and 120 vertebrae (35 preanal ve rtebrae).