The phrase "exotic tropical fish" refers to fish that are different and interesting, and typically found in warm and colorful environments like the tropics. Full definition
For a truly unique experience strap yourself to scuba tank and say I do in an underwater world full of exotic tropical fish, sea turtles and colorful coral reef. (palmcoveaustralia.com)
Because Molokini Crater is a protected wildlife and marine area, you will see exotic tropical fish, stunning coral reefs and other exotic wildlife. (redlinerafting.com)