Alien hunters are trying to figure out the truth after a death pit appeared in a fish pond in Guangxi province, China and swallowed up 25 tons of fish where it is unknown.
White sharks are difficult to adapt to life in aquariums for a variety of reasons such as diet, limited space and external environmental impacts, according to IFL Science.
The baby dolphin died 4 days after giving birth with scratches on the body that many people suspected it could be killed by their mother.
A rugby-sized octopus made a daring escape through a narrow tube at New Zealand's national aquarium.
According to the inventors, the new tank uses a camera to analyze the swimming direction of the fish and to control the wheels moving there.