Dolphin Christian Dream Symbol - Bible Quotes and References
The dolphin is most often as a symbol of the Christian himself rather than Christ, though the dolphin was also used as a representation of Christ -- most often in combination with the anchor symbol ("Christ on the Cross").

Dolphins have always been a greatly admired species. They were admired for their speed together with their productivity and believed to be successful in their endeavours. It was believed that individuals should aspire to imitate in their kindness and their skills in giving aid to others.