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
Orange-spotted trevally Orange-spotted trevally The orange-spotted trevally, "Carangoides bajad" (also known as the gold-spotted trevally) is a species of inshore marine fish in the jack family, Carangidae. The species is fairly common in tropical to subtropical waters of the Indo-Pacific, ranging from Madagascar in the west to Japan in the east, typically inhabiting inshore reefs. The species has characteristic orange-yellow spots on its sides, although counts of fin rays and scutes are needed to distinguish it from related species with similar colouring. Orange-spotted trevallies are powerful predators, taking a variety of small fish, nekton, and crustaceans, and reach sexual maturity around 25