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Life expectancy is 2 years. They can mate more than once, but not many times more.

A lifespan of 2 years for intelligent creatures is heartbreaking

Only if their critical flicker frequency isn't in line with those 2 years.

oh wow, I'd never heard of this. Reading https://en.wikipedia.org/wiki/Flicker_fusion_threshold - now I think I understand why I can always tell GM vehicles with LED taillights at night. I can spot them a mile away, literally, because their taillights blink slower than others and I can see it, and it drives me crazy.

Thanks for opening me up to this!

There is also an auditory gap detection threshold, but no wiki page, sadly.

They are extremely intelligent for a mollusk(like, these folks are family with slugs and clamshells), but they are not that intelligent if you compare them to a pig or a dog.

Their main brain is after all very small(although huuuge for a mollusk), most of it is dedicated to the processing of vision, with two big lumps next to the eyes, and there's a small lump in between these two for the brain proper.

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