There are various species of animals that start with the letter ‘U.’ Some of the more special species of whom little are known include the following:


Unicorn fish derive their name from the protrusion of their head which is similar to that on unicorns.

Unicorn Fish Quick Facts

  • Scientific Name: Naso
  • Size: 70 cm in Length
  • Height: 51-61 cm
  • Average Lifespan: Around 15 years
  • Color: Have a color changing ability
  • Habitats: Tropical Waters around Coral Reef and Aquarium
  • Fun Facts: Unicorn Fish is commonly found in tropical locations such as the Indian and Pacific oceans. You can find them in Hawaii or Africa.

These fish are from the genus Naso and are in the same family as surgeonfish and Acanthuridae. They can be bred in aquariums but they would need a lot of space since they are relatively big.

Unicorn fish can grow anywhere from nine to about 39 inches. If you are going to put them in a large aquarium, it is advisable not to fill the aquarium to the brim.

You can also place rocks towards the edges to give the fish enough space to swim because they are extremely active.They are commonly found in tropical locations such as the Indian and Pacific oceans. You can find them in Hawaii or Africa.