And it isn't just a "normal" short lifespan - The octopus lifecycle ends with self-harm and what in humans would be called depression, in addition to other more

And it isn't just a "normal" short lifespan - The octopus lifecycle ends with self-harm and what in humans would be called depression, in addition to other more typical hallmarks of senescence, and this is a complicated process involving a whole bunch of signaling systems which is centrally coordinated by an endocrine gland! https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6198452/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6198452/