A common octopus (Octopus vulgaris) hiding itself in the grasses during our Karwela deco stop. You can see its siphon in view: it uses that to “exhale”.
Mon Mar 11 10:16:42 2019
15°C, depth 7 m
Ix-Xatt l-Aħmar, Malta
f/4.0, 1/640, ISO 250, 70 mm
Wet lens: AOI UWL-09 Wide Angle