Imagine if there was another intelligent race on Earth. What if it was fully sapient and interacted with man? Suppose it was the humble and gregarious dolphin.
Everything is included in this PDF in order to add the dolphin to your undersea campaigns. Including a race write up for not only as companions, but a full race write up for use as player characters. This PDF includes:
Dolphin Evolution
Dolphin Biology
Dolphin Behavior
Full Race write up including Buoyancy and Depth Tolerance from Alluria Publishing'sCerulean Seas, using the Pathfinder Roleplaying Game: Advanced Race Guide rules.