How do fish repoplulate? – Evolution Zone

Question: How do fish repoplulate?
- Keywords:
  animal,
  eco,
  fish,
  population,
  repoplulate,
  water
Asked by nugget to Sam on 22 Jun 2011.
- Sam Tazzyman answered on 22 Jun 2011:
  
  Nearly all fish are sexually reproducing, and externally fertilising. This means that the female lays a lot of unfertilised eggs in the water, and the male ejaculates sperm over them to fertilise them. The fertilised eggs then develop and hatch, and the young are born.

Question: How do fish repoplulate?