Aega antarctica fish. It has strong muscles in its oesophagus and large salivary glands and rapidly fills its dilatable hind gut with blood. It then drops off the fish and spends several months on the seabed digesting the blood. In a research study, specimens of "Aega antarctica" were kept in a marine aquarium at the University of Oldenburg, Germany, where they were maintained at a temperature of . It was found that they would feed on a number of species of fish native to the North Sea and in this research they were fed on live European plaice ("Pleuronectes platessa"). One fish
RV Platessa RV Platessa RV "Platessa" (LT205) was a fisheries research vessel that was operated by the Ministry of Agriculture, Fisheries and Food (United Kingdom) - Directorate of Fisheries, now known as the Centre for Environment, Fisheries and Aquaculture Science (Cefas) between 1946 and 1967. RV "Platessa" was based at the port of Lowestoft and was originally ordered by the Admiralty as one of 81 Motor Fishing Vessels (MFVs) in the ‘1501-Class’ during World War II. Motor fishing vessels were small wooden craft, built in large numbers during the war for use as Ship's tenders. Constructed as MFV 1576 by East Anglian