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Many of the creatures that shelter in the kelp have to venture out in order to feed. A bat ray, for one.
许多藏身在海草里的生物必须在夜晚外出觅食。小灯光鱼就是其一。
Unlikely though it seems, the sandy floor of the open sea is, for the bat ray, a rich feeding ground.
虽然出乎意料，但海中的沙陆对灯光鱼来说，是个丰富的觅食地。
There is food hidden within the sand, and the bat ray has a special technique for finding it.
食物就藏在沙中，而灯光鱼有能找到它的特别技巧。
It uses jets of water to blow the sand aside and expose small invertebrates.
它会喷水来吹开沙砾，小型的无脊椎动物就现身了。
A kelp bass hangs about alongside, waiting for scraps.
一只海草鲈鱼在一旁等着分一杯羹。
Other hunters are also on the prowl. The fan tailed sole.
其他的狩猎者也正四处搜寻。扇尾鲽鱼。
There are mantid shrimps here, living in tunnels. But once again, hunger compels them to venture into the open.
穴道中住着螳螂虾。但饥饿迫使它们外出觅食。
That, of course, is a gamble. They will either eat... or be eaten.
当然那是种赌博。它们不是找到食物，就是被吃掉。
A sea slug, called Janolus. Its colours suggest that it's poisonous and so it is, to everything except another kind of sea slug, the predatory Navanax.
这是杰那罗海蛞蝓。它的颜色显示它有毒，它的毒性只对另一种海蛞蝓无效，肉食性的那维克斯。
Navanax pulls itself along the trail of slime that Janolus leaves behind it.
那维克斯跟随着杰那罗留下的黏液痕迹。
Once caught, Janolus rolls into a ball. All Navanax gets is a few yellow tentacles. And Janolus is swept to safety by the current.
被抓时，杰那罗会滚成一颗球。那维克斯只能吃到一些黄触角。而杰那罗会被水流冲到安全处。
