Clownfish, a small orange and white species made famous by the “Finding Nemo” movies, have been found to shrink in order to boost their chances of surviving marine heat waves, according to a new study.

Clownfish like Amphiprion ocellaris (pictured in in Kimbe Bay, Papua New Guinea) are known to make their homes amid the tentacles of sea anemones. A new study suggests that another species of clownfish (Amphiprion percula) may be shrinking to survive ocean heat waves.

As the marine world heats up, clownfish are showing an unsuspected talent for adapting to increasingly extreme conditions. Faced with heat waves exacerbated by climate change, these little fish, made famous by the movie “Finding Nemo,