Marine Mania is one of the expansion packs for Zoo Tycoon 2. In Marine Mania you can build exhibits for common marine animals, such as dolphins, whales, turtles, and penguins.
In Marine Mania you can create shows that your animals feauture in. Common animals are Dolphins and whales. In these shows, you can have them perform jumps, tricks, etc. Special staff oversee these shows.