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Each cephalopod's chromatophore organ comprises an elastic sac containing pigment of different colors with a set of obliquely striated radial muscles. When excited, the muscles contract, expanding the chromatophore, enhancing that color [📹 SaltyFlyTying] #globalmuseum #cephalopod

David Bremner

@bremner@mathstodon.xyz · last month

Broadclub cuttlefish, Sogod Bay, #Philippines

I choose to interpret that raising of the middle digits as a friendly gesture. If this was a human I think those would be thumbs.

#Scuba #tentacles #cephalopod

Red brown cuttlefish with yellow and white accents hovers three-quarters on to the camera. One eye is clearly visible, while the other is partially occluded by tentacles. A translucent skirt is visible on the left. 8 tentacles face down from the face in a vaguely Cthulhu like way, while two central tentacles are extended almost vertically in an S-curve. Most of the background is sand, which some algae covered rock in the bottom right.

Beardy Star Stuff and 1 other boosted

Dave Muth

@outer@mas.to · 3 months ago

This gorgeous photo of a southern dumpling squid, nicknamed Priscilla was a winner in the Australian geographic nature photographer of the year awards. The photographer, Peter McGee, took the photo in Sydney, Australia. It was published this Friday in The Guardian.

#Photography #Wildlife #Nature #Cephalopod

Close up picture of a beautifully iridescent squid.

Dave Muth

@outer@mas.to · 3 months ago

#Photography #Wildlife #Nature #Cephalopod

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