Flying fish can be seen jumping out of warm ocean waters worldwide. Their streamlined torpedo shape helps them gather enough underwater speed to break the surface, and their large, wing-like ...

in water and aquatic animals become myopic (near-sighted) in air. In some fish, this gain or loss of lens power amounts to as much as 20 to 30 dioptres 1.

Many years ago I watched flying-fish daily for hours on end, and I think that observations made, as were mine at that time, from the long overhang of the bow-sheaves of a cable ship are far better ...