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
Sole (fish) Sole (fish) Sole is a fish belonging to several families. Generally speaking, they are members of the family Soleidae, but, outside Europe, the name "sole" is also applied to various other similar flatfish, especially other members of the sole suborder Soleoidei as well as members of the flounder family. In European cookery, there are several species which may be considered "true soles", but the common or Dover sole "Solea solea", often simply called "the sole", is the most esteemed and most widely available. The word "sole" in English, سول پیس in Urdu, French and Italian comes from its resemblance to