Also known as notothenioids, the icefish play an important role in the wider food web, say experts from the Alfred Wegener Institute in Bremerhaven, Germany.
Antarctic Weddell seal populations are lower than expected, study says dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.