In the rainy season they balloon up to the surface 每到雨季 它们便充气浮上水面
Any cichlid that trenches out will be snapped up. 一旦慈鲷切入电场 立刻就会成为捕食的对象
smooth-coated otters form family groups up to 17 strong. 印度水獭的一个家族可多达17名成员
Up here, there are fewer predators to eat their eggs and fry. 只因上游很少有捕食鱼卵 和鱼苗的掠食者
Living up to 80 years they grow into giants. 它们能活80多年 因此长得十分巨大
Most of the creatures here move up or down the slopes with the seasons 这里的大部分动物 都随着季节变化上下迁移
but the giant panda can't fatten up enough to hibernate. 可是大熊猫没能储备足够的脂肪冬眠
that it can't build up a store of fat like other bears. 所以它无法像别的熊那样积累起脂肪
thrusting up these immense peaks, which are still rising. 挤压形成的这些巨大山峰 至今仍在不断升高
and the thickening veil of snow forces them to give up. 雪越下越密 它们只好选择放弃