Evolution; Fish fresh to salty

A large majority of fish and aquatic mammals evolved in fresh water:-http://www.newscientist.com/article/dn21441-most-fish-in-the-sea-evolved-on-land.html

Complete thread:

Evolution; oldest animal David Turell 2012-02-07, 04:02 PM
- Evolution; Fish fresh to salty David Turell 2012-02-09, 03:04 PM
- Evolution; kissing cousins David Turell 2012-02-09, 11:28 PM
  - Evolution; human kissing cousins; David Turell 2012-03-15, 02:18 PM
    - Evolution; Genes to start brains David Turell 2012-03-15, 06:25 PM
      - Evolution; Genes to start brains David Turell 2012-06-02, 01:37 PM
        
        Evolution; Plants have senses David Turell 2012-06-02, 05:52 PM
    - Evolution; can humans still evolve? David Turell 2012-05-01, 09:23 PM
      - Evolution; we came from Asia? David Turell 2012-06-05, 01:18 AM
        
        Evolution; change immunity? David Turell 2012-06-05, 02:18 PM
        
        Evolution; we came from Asia? dhw 2012-06-06, 11:27 AM
        
        Evolution; we came from Asia? Balance_Maintained 2012-06-07, 07:33 PM

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Evolution; Fish fresh to salty (Introduction)