Flatfish entire order was John Roxborough Norman's "Monograph of the Flatfishes" published in 1934. New species are described with some regularity and undescribed species likely remain. Hybrids are well known in flatfishes. The Pleuronectidae, of marine fishes, have the largest number of reported hybrids. Two of the most famous intergeneric hybrids are between the European plaice ("Pleuronectes platessa") and European flounder ("Platichthys flesus") in the Baltic Sea, and between the English sole ("Parophrys vetulus") and starry flounder ("Platichthys stellatus") in Puget Sound. The offspring of the latter species pair is popularly known as the hybrid sole and was initially believed to
Orange-eyed nudibranch cerata are reddish or orange with white tips. The colour of the cerata varies with diet. This nudibranch feeds on a variety of hydroids. Its egg mass is a broad coil of one or two whorls. Orange-eyed nudibranch The orange-eyed nudibranch, scientific name "Cratena capensis", is a species of sea slug, specifically an aeolid nudibranch. It is a marine gastropod mollusc in the family Facelinidae. This species has only been found around the South African coast from Saldanha Bay to Port Alfred, intertidally to at least 30 m. It is endemic to South Africa. The orange-eyed nudibranch grows to between