A live feed of a fish called Grayson playing vintage Nintendo game Pokemon from his tank in a US college dorm room has had more than one million views.
Grayson's movements dictate the actions of his on-screen Pokemon Red character. The Betta fish has been playing for more than 135 hours.
The project was created as part of a hackathon by two students,
Some viewers have expressed concern about Grayson's welfare on the messageboards of social site Reddit.