He decided to fix the secret by shooting the secret life in the aquarium. The video left him in awe … The goldfish was helping the sick friend to reach the food floating on the surface.

It is unclear what the driving factor behind the fish’s obviously benevolent behavior was. One thing is sure– with new scientific research emerging, we recognize that these animals are way more complex than we previously believed.

Jonathan Balcombe, the director of pet sentience with the Humane Society Institute for Science and Policy, writes: “As a biologist that specializes in animal behavior and feelings, I’ve invested the past 4 years checking out the science on the inner lives of fishes.

What I have actually uncovered shows that we grossly underestimate these wonderfully diverse marine vertebrates. The accumulating evidence leads to an inescapable conclusion: Fishes believe and really feel.”