When lightening strikes the sea, why dont all the fishes die?

Question: When lightening strikes the sea, why dont all the fishes die?
- Keywords:
  fish,
  lightning,
  ocean
Asked by deano to Ryan on 20 Jun 2011.
- Ryan Ladd answered on 20 Jun 2011:
  
  Any fish very near to where lightning strikes will probably get killed but, very quickly, the energy in the lightning bolt dissipate into the water making it very weak and not dangerous at all.

Question: When lightening strikes the sea, why dont all the fishes die?