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.

A new study reveals that clownfish use a surprising strategy to adapt their bodies to ocean heat waves: They shrink. “[Clownfish] have these amazing abilities that we still don’t know all that much about,