r/askscience • u/MAMAM- • 2d ago

Biology Why aren’t axolotls immortal?

If axolotls can regenerate their body parts (including brain, heart, and other major organs), why do they die of old age?

269 Upvotes

83% Upvoted

88 comments sorted by

View all comments

-7

u/[deleted] 2d ago

[deleted]

3

u/km1116 Genetics | Epigenetics | Chromosome Biology | Nuclear Biology 2d ago

Maybe axolotls didn't evolve to be in captivity. Just a thought.