Humans are the only animals that blush...
A behavior Charles Darwin described as the most unique and distinctive expression of humanity
Darwin had already observed this phenomenon during his research on the theory of evolution.
He discovered that people from all countries and ethnicities blush when embarrassed,
whereas higher animals, including some primates, do not...
SO
WHAT IF FISH BLUSH?
- By 2100, due to global warming, melting glaciers, and rising ocean temperatures, the original heat dissipation mechanisms of fish will no longer support their survival in the increasingly warm oceans. As they evolve, blushing may develop as a secondary heat dissipation method for future fish.
- Future fish dissipate heat by blushing.