Underwater photographs always create shimmering and unique images. If you have not tried this style of shooting, the following general guidelines will help you a lot.
Underwater photography is a unique type of photography, and images taken in this way are eye-catching and attractive, but capturing such images requires extensive experience, techniques, and expensive equipment. If you have a sea trip, try practicing and shooting underwater as some guidelines in this article.

http://rephotosolution.com/blog/tips-for-doing-an-underwater-photo-shoot/