Codex Gamicus
This article is for the expansion for Zoo Tycoon. For the expansion pack for Zoo Tycoon 2, see Zoo Tycoon 2: Marine Mania. For the mobile phone game, see Zoo Tycoon 2: Marine Mania Mobile.

Zoo Tycoon: Marine Mania is an expansion pack for Zoo Tycoon, which included aquatic animals and themed buildings.

Players could create and manage underwater exhibits or merge aquatic tanks with traditional land habitats. Interactive tutorials and virtual marine specialists were available to help players maintain animal happiness. In addition, 10 new scenarios were added.

Also new in the expansion pack was the ability to create aquatic shows. This proves to be one of the main sources of income in the game and the acception of zoo tycoon animals

  • * Means that animal can perform in Shows.
  • Bottlenose Dolphins, Great White Sharks, Orcas, Sea Otters and Lion's Mane Jellyfish (as well as California Sea Lions from the original Zoo Tycoon) are the only animals that can perform in shows.


  • Beluga- Aquatic Tundra
  • Bottlenose Dolphin- Aquatic *
  • Great White Shark- Aquatic *
  • Tiger Shark- Tropical Aquatic
  • Hammerhead Shark- Tropical Aquatic
  • Green Turtle- Tropical Aquatic
  • Narwhal- Aquatic Tundra
  • Manta Ray- Tropical Aquatic
  • Orca- Aquatic Tundra *
  • Pacific Walrus- Aquatic Tundra
  • Sea Otter- Aquatic *
  • West Indian Manatee- Tropical Aquatic
  • Shortfin Mako Shark- Tropical Aquatic
  • Humpback Whale- Aquatic
  • Harbour Porpoise- Aquatic
  • Elephant Seal- Aquatic Tundra
  • Giant Squid- Aquatic
  • Giant Pacific Octopus- Aquatic
  • Sperm Whale- Aquatic
  • Green Moray Eel- Tropical Aquatic
  • Bluefin Tuna- Aquatic
  • Lion's Mane Jellyfish- Aquatic *

Bonus Animals[]

  • Great Barracuda- Tropical Aquatic
  • Bowhead Whale- Aquatic Tundra
  • Sawfish- Tropical Aquatic
  • Atlantic Swordfish- Aquatic
  • Whale Shark- Tropical Aquatic

Easter Egg[]

  • Mermaid- Aquatic


  • Sea Sponge - Aquatic
  • Seaweed - Tropical Aquatic
  • Sea dollar - Tropical Aquatic
  • Sea Cucumber - Aquatic
  • Barnacle - Aquatic
  • Kelp- Aquatic
  • Sea Anemone - Tropical Aquatic
  • Stove Pipe Coral - Tropical Aquatic