A Nice Gesture by Jeroen Arendsen

A Nice Gesture by Jeroen Arendsen

A mix of posts on gesture, HCI, perception or robots and some personal information.

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Posts tagged fish

Red Sea groupers gesture to invite giant moray eels to hunt

It may be stereotyped, genetically programmed behaviour (as my friend GL felt obliged to point out), but the link my roomie Jenneke sent me is still the best case of gesturing fish I have seen (see earlier observations about the John Dory and the Octopus). In a spectacular study Redouan Bshary, Andrea Hohner, Karim Ait-el-Djoudi, [...]


There are many fish in the sea. And when divers come to admire them, it may not just be the divers that gesture. There are some, like octopi, squids and cuttlefish that signal through colour changes. Or they blow themselves up in response to perceived threats, like terrorists pufferfish.
But I once heard a very nice [...]


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