But this otter's favourite food is another river killer - the Red Bellied Piranha, but this too is a fearsome predator that hunts in huge shoals.
But this otter's favourite food is another river killer - the Red Bellied Piranha, but this too is a fearsome predator that hunts in huge shoals.
本来在大海居住的三文鱼与红大马哈鱼，每逢产卵，牠们都会游到河流去；然而，这一游，随时成为大灰熊的食物。