タコの保護色による擬態：
This. Never. Gets. Old. 🤩🐙🤯⁰🎥: ibrahim elhariry/IG
— OctoNation® The Largest Octopus Fan Club 🐙 (@TheOctoNation) November 19, 2023
⁰Chromatophores are small, pigment-containing cells controlled by an array of muscles and nerves. ⁰⁰These tiny, elastic sacs of color can expand or contract.⁰⁰When a chromatophore is relaxed, the sac contracts, which… pic.twitter.com/bxmLZZxkcU
Posted by @TheOctoNation | X (旧Twitter)
🎥 by ibrahim elhariry | IG
ラベル：タコ
