National Aquarium Denmark, Den Blå Planet is a public aquarium in Denmark. The original aquarium was located in Charlottenlund, but this facility closed in 2012 and most of the animal collection was relocated to the new and much larger aquarium Den Blå Planet in Kastrup, a suburb of Copenhagen.

Giant Pacific octopuses can change color to blend in wherever they go!.

Tortoise can’t swim, but tortoises can hold their breath for a long time, And yes, their shells are sensitive to touch.

The venom embedded in the tail spines of stingrays can kill small creatures and cause acute pain to humans, it is extremely rare for the shy fish to kill humans.