You'll usually need a relevant degree and often a postgraduate master's qualification in a subject like:
- biological science
- marine biology
Employers may also want you to have experience in your area of interest and possibly be working towards a PhD.
You'll usually need:
- 5 GCSEs at grades 9 to 4 (A* to C), including maths and a science
- 2 or 3 A levels, including a biological science for a degree
- a degree in a relevant subject for postgraduate study