the.com/tentacle
a limb that can taste, grab, and think without checking with the brain first.
means A long, flexible, often boneless appendage—like those of an octopus, squid, or jellyfish—used by an animal to grasp, feel, move, or sense its surroundings.
from From Latin 'tentaculum,' a feeler, built on 'tentare' (a variant of 'temptare') meaning to try, test, or touch—the same root that gives us 'tempt' and 'attempt.' So a tentacle is, quite literally, a 'thing for trying things,' a probing instrument that reaches out to test the world. The word entered scientific English in the 18th century as naturalists needed a name for the questing arms of the creatures they were dissecting.
- local brains
- Octopus arms hold two-thirds of its neurons.
- flavor touch
- Suckers taste whatever they grip.
- severed action
- Detached arms can still grab and react.
- giant reach
- Giant squid tentacles stretch over ten meters.
- hooked grip
- Some squid arms wield rotating claws.
giant squid — can have tentacles up to 43 feet long, found in deep oceans worldwide
octopus — has 8 arms with suckers, intelligence comparable to small mammals
portuguese man o war — colonial organism with stinging tentacles up to 165 feet long in atlantic and pacific