what live longer sharks or dolphins?

Question: what live longer sharks or dolphins?
- Keywords:
  age,
  animal,
  marine
Asked by to Anna, Elaine, Fiona, Kevin, Darren on 23 Jun 2014. This question was also asked by .
- Elaine Cloutman-Green answered on 23 Jun 2014:
  
  Some dolphins can live for around 40 years compared to sharks which live for 20 – 30. So the dolphins will usually live longer.

Question: what live longer sharks or dolphins?