Doto orchaDoto orcha is a species of sea slug, a nudibranch, a marine gastropod mollusc in the family Dotidae.DistributionThis species was first described from the Gulf of Aqaba, Red Sea.DescriptionThis nudibranch is very elongate with paired cerata which are widely spaced down the length of the body.EcologyDoto orcha feeds on the hydroid Dynamena disticha.