Kingdom : Animalia
                          Class : Actinopterygii
                       Family : Chaetodontidae
        Scientific Name : Chaetodontidae

                       Size(L) : 7cm - 15cm 
                                        (3in - 6in)
               Water Type : Salt
 Optimum pH Level : 8.1 - 8.6
                  Life Span : 6 - 12 years

                      Colour : Black, White, Yellow,
                                       Orange, Silver
                 Skin Type : Scales
Distinctive Features : Elongated nose and 
                                      bright colours
  1. Butterfly fish are small sized fish found around the coral reefs in tropical and sub-tropical waters.
  2. They are best known for their brightly colored body and elaborate markings.
  3. There are around 100 species found across the Atlantic, Pacific and the Indian Ocean.
  4. Usually, the butterfly fish grow around 4 to 5 inches long, with some species known to grow around 12 inches.
  5. They are salt water species which live to be around 7 years old in the wild.
  6. They need very specific water conditions to survive and are therefore not easy to keep.
  7. In a well-kept aquarium they may live to be around 10 years old.
  8. They are very closely related to marine Angelfish but are smaller in size.
  9. Distinctively, they have a pointed mouth, dark spots on their bodies and dark bands around their eyes.
  10. Small butterfly fish remain in large groups whereas the larger species are quite solitary.
  11. They are diurnal animals feeding by the day and resting in the night.
  12. The smaller species feed on plankton whereas the larger species feed on coral, sea anemones and small crustaceans.
  13. They have their predators in snappers, eels and sharks.
  14. One of their defense techniques is to hide in coral crevices to escape from their predators.
  15. Interestingly, they are known to form mating pairs lasting a lifetime.
  16. The butterfly fish release their eggs in water which get attached to plankton.
  17. The butterfly fish babies are called fry and have, armored plates for protection, on their bodies.
  18. Due to pollution and habitat loss, they are an endangered species today.

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