https://phys.org/news/2018-07-nemo-bright-colours-predators.html

Dr Kelley said clownfish, made famous by the 2003 animated film Finding Nemo, were named for their bright, flamboyant colouring but the function of the colour patterns had not been investigated before.

"They have a unique symbiotic relationship with their anemone hosts, which use stinging tentacles to catch prey, while the clownfish remain unharmed and protected by the anemone," she said.