NewsAnimalsNarwhals may use their iconic tusks to playThe Arctic whales poked and prodded a fish that isn't usually a part of their diet Narwhals summering in an island bay in the Canadian High Arctic may be the first to have been recorded while playing.O'Corry-Crowe - Watt / FAU - DFOBy McKenzie Prillaman1 hour agoNarwhals wield their iconic tusks in surprising ways possibly even to play with newfound toys.Aerial videos showed the Arctic whales swinging their horns to thwack fish prior to eating them, and in one case, gingerly prodding and flipping a fish. The gentler movements may have been part of a narwhal play session, researchers report February 28 in Frontiers in Marine Science. Its the first reported evidence of narwhals (Monodon monoceros) likely amusing themselves for fun.