First thing's first. Sea lice aren't lice at all. They're tiny baby jellyfish, so small you can't even see them -- about the size of a grain of pepper. And just like their grownup counterparts ...

The footage of a grey whale gently approaching the boat and indicating that it needed help with the lice has touched many internet users. However, the friendship between this sea giant and the ...

Two of Scotland's biggest salmon producers say they have made a breakthrough in the rearing of so-called cleaner-fish to tackle sea lice. Until now, most of the wrasse used in salmon cages have ...