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
Smooth snake These four series of spots along the body overlay four parallel, rather shadowy stripes that also run down the back and flanks. On the top of the head is a dark marking which is often in the shape of a crown, giving rise to the generic name "Coronella" (which means coronet). A relatively thick dark stripe extends from each nostril, over the eye, and along the side of the head to a little beyond the neck. The upper labials are whitish, greyish-white or light brown, sometimes with darker spots. The tongue is reddish brown or dark red. The smooth snake