Blue Whale, is a whale and a friend in Abyssrium.
To unlock Blue Whale is necessary to have Star Horn Coral, and at least 70 types of fish
The blue whale is best known for being the largest known animal that ever lived on Earth, males grow up to 30 m (98 ft), and females up to 36 (119 ft), its heart is the size of a car, being so big that people can walk inside it and his aorta like it was a toy tent house. Despite that they feed mainly in small fish, krill, and zooplankton. Blue whales can be found in waters all over the world, except Arctic Ocean, Mediterranean Sea, Red Sea, Baltic Sea, and Persian Golf.