Video S1: The video of chromatophores in the bigfin reef squid Sepioteuthis lessoniana.
Video S2: Video of chromatophores in the bigfin reef squid Sepioteuthis lessoniana (A) before adding noradrenaline; and (B) 3 min after adding noradrenaline (1 mM).
A- The video of chromatophores before adding noradrenaline (1 mM).
B- The video of chromatophores at 3 min after adding noradrenaline (1 mM).
Video S3: Video of chromatophores in the bigfin reef squid Sepioteuthis lessoniana (A) before adding noradrenaline and yohimbine; and (B) 3 min after adding noradrenaline and yohimbine (each 1 mM) simultaneously.
A- The video of chromatophores before adding noradrenaline and yohimbine.
B- The video of chromatophores at 3 min after adding noradrenaline and yohimbine (each 1 mM) simultaneously.
Video S4: Video of chromatophores in the bigfin reef squid Sepioteuthis lessoniana (A) before adding noradrenaline and propranolol; and (B) 3 min after adding noradrenaline and propranolol (each 1 mM) simultaneously.
A- The video of chromatophores before adding noradrenaline and propranolol.
B- The video of chromatophores at 3 min after adding noradrenaline and propranolol (each 1 mM) simultaneously.