How does an octopus react to different types of surfaces? Does he prefer a certain surface over another? This observational experiment was requested by Daffney Dalilah.
"Do octopuses prefer some kinds of textures over others? It would be interesting to see if their reactions to objects is perhaps partly influenced by how it feels. And do different octopuses have different individual preferences as to which texture they favor?
The Setup of Your Experiment Have 3 blocks of the same size and color, but each with a different texture (soft and fuzzy, smooth, bumpy). They would need to be heavy enough to sit at the bottom of the tank, but light enough to be picked up by the octopus. Line each one up in the tank, leaving enough space between each one so that the octopus can explore each one by touching it, playing with it, etc..
Keeping each object the same shape, color, size and weight would show that they are only showing different levels of interest to different objects based only on their texture. To further demonstrate that there are no other variables influencing behavior, the blocks would need to be placed in a different order each time to rule out the possibility of them giving preference to any certain one based on placement. "
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