RV Platessa the central basin. The RV "Platessa" (LT205) was in service with Ministry of Agriculture, Fisheries and Food (United Kingdom) from April 1946 until June 1967, during which time she participated in more than 473 separate research campaigns. She was primarily confined to the southern North Sea, but with occasional forays into the Irish Sea and English Channel, especially in the 1960s. The RV "Platessa" (LT205) was overwhelmingly dedicated to research on North Sea herring and North Sea Plaice. This work included the tagging of more than 12,000 plaice during the 1950s, 7000 during the 1960s. In addition, large numbers of
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