Bobtail squid

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4mo
American Museum of Natural History on Instagram: "Need a tiny cephalopod to brighten your day? Meet the bobtail squid (Euprymna berryi)! Also known as the hummingbird squid, this critter typically grows only up to 2 in (5 cm) in length; females are larger than males. This species lives in Indo-Pacific waters, inhabiting the ocean floor where it burrows beneath sand to rest or hide when under threat. Its striking color comes from chromatophores, or pigment-holding cells, distributed throughout its body. Photo:maractwin, CC BY-NC-SA 4.0, iNaturalist #wildlife #amazingnature #didyouknow #animalfacts #marinebiology"
Euprymna berryi
Euprymna berryi - Bobtail squid - Stummelschwanz-Sepie Picture taken on a night dive at Seraya Secrets ... Markus Trachsel
The Bobtail Squid has a unique luminescence for camouflage known as counter-illumination
Bobtail Squid (Euprymna tasmanica)
Bobtail Squid
IAM-113 Berry's bobtail squid, Euprymna berryi