Originally Posted by biffer
They jump to get away from something below the surface that wants to eat them, flying fish have evolved it to a whole new level
The poor flying fish get it from all angles!
They have very large pectoral fins, which they use to glide after jumping out of the water to escape danger, and on a calm sea i have seen them glide in excess of 250 metres.
However in some places, South China sea for example, the gannets have learnt that the flying fish jump and fly out of the way of ships, so the gannets hover over the bow of the ship, using the updraught caused by the ship, and as soon as they see a flying fish gliding they swoop down and try to catch it in flight, which they sometimes manage, so they get attaked from above and below!
I have also seen dolphins scaring flying fish toward the ship if we are anchored, the flying fish flies, and smacks into the side of the ship,
usually stuns itself, and then along comes Mr dolphin to pick up his easy meal!
it's a wonder there are any left!