A day octopus (Octopus cyanea) curiously peeks out of its shelter in a slowly dying coral reef. Although it can frequently be seen during the day, the main activity phases of this species are dusk and dawn. Most other octopus species are nocturnal.

Image details
Camera: Canon EOS R
Lens: Sigma 15mm f/2.8 EX DG Diagonal-Fisheye
Location: Tahiti, French Polynesia
Date: Jan 2020
Focal Length: 15
Exposure: 1/200
Aperture: f/16
ISO: 500

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