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Lesser bobtail squid underwater in the Saguenay Fjord in Canada
Bigfin Reef Squids are easy to distinguish from other squids in that they possess thick and muscular oval fins that extend around almost the entire mantle. Because of these fins, bigfin reef squids are sometimes mistaken for cuttlefish. The bigfin reef squid is the most widespread species in the genus Sepioteuthis. It is found in temperate and tropical regions of the Indian Ocean and the Western Pacific Ocean.\nAt night, when the Bigfin Reef Squids are most active, they are commonly found in shallow areas from 0-100m around reefs, sea grass beds, sandy bottoms, or rocky shorelines. They surface at night, as it is less likely to be detected by predators. During the day, they generally move to deeper waters or near any form of cover, such as floating driftwood, reefs, rocks, or grasses.\nSquids have speedy colour-changing abilities as their pigment cells, the chromatophores, rapidly change size and colour and the visual effect is enhanced by light reflecting cells, the iridocytes. They can shoot ink (dark melanin pigment) to confuse predators and aide in escapes. \nTriton Bay, West Papua Province, Indonesia, 3°56'17.7941 S 134°7'10.2802 E at 1m depth
Behold the mysterious elegance of an octopus as it gracefully navigates the ocean depths, its tentacles dancing in the currents, a symbol of intelligence and adaptability.
Wonderful octopus in the sea.
Common cuttlefish in Adriatic Sea near Hvar Island
Bunch of squid over sand
Extreme close-up of an octopus sleeping with closed eyes. Blurred tentacles in the foreground.
Photo taken in Tokyo, Japan
Small squid
Big Blue Octopus - Octopus cyanea swims in the open sea. Underwater world of Bali.
Bigfin Reef Squids are easy to distinguish from other squids in that they possess thick and muscular oval fins that extend around almost the entire mantle. Because of these fins, bigfin reef squids are sometimes mistaken for cuttlefish. The bigfin reef squid is the most widespread species in the genus Sepioteuthis. It is found in temperate and tropical regions of the Indian Ocean and the Western Pacific Ocean.\nAt night, when the Bigfin Reef Squids are most active, they are commonly found in shallow areas from 0-100m around reefs, sea grass beds, sandy bottoms, or rocky shorelines. They surface at night, as it is less likely to be detected by predators. During the day, they generally move to deeper waters or near any form of cover, such as floating driftwood, reefs, rocks, or grasses.\nSquids have speedy colour-changing abilities as their pigment cells, the chromatophores, rapidly change size and colour and the visual effect is enhanced by light reflecting cells, the iridocytes. They can shoot ink (dark melanin pigment) to confuse predators and aide in escapes. \nThis specimen laid egg capsules on a boie rope. \nLembeh Strait, Indonesia\n1°28'8.9165 N 125°14'39.1048 E at 16m depth
two squid in the Pacific Ocean
Octopus is resting on the sand and is camouflaged to blend in with the coral. The background consists of coral and rocks.
Pharaoh Cuttlefish (Sepia pharaonis) expands and contracts muscle rings around sac colors in order to show different colors. It is typically consumed as dried, shredded cuttlefish, popular snack food
Sea life. Octopus, Cephalopod on  Sandy bottom. Underwater abstract. Close-up
the squid
Extreme close up of Octopus eye and skin texture, macro underwater photography. Australia.
Common octopus during the night hunting in Adriatic sea, Croatia
Close-up of fish
Multiple deep sea undersea Pharaoh Cuttlefish Sepia pharaonis in natural environment. High quality photo
Squid seafood isolated on white
A pair of cuttlefish swim in the deep blue water of the Caribbean Sea; underwater photography
A common octopus (Octopus vulgaris) in La Ciotat in the Calanque National Park in the South of France.
A large squid close-up, swimming in the green aquarium fish tank illuminated with the glowing orange bright light on the street fish market in Daegu City, South Korea
Bigfin Reef Squids are easy to distinguish from other squids in that they possess thick and muscular oval fins that extend around almost the entire mantle. Because of these fins, bigfin reef squids are sometimes mistaken for cuttlefish. The bigfin reef squid is the most widespread species in the genus Sepioteuthis. It is found in temperate and tropical regions of the Indian Ocean and the Western Pacific Ocean.\nAt night, when the Bigfin Reef Squids are most active, they are commonly found in shallow areas from 0-100m around reefs, sea grass beds, sandy bottoms, or rocky shorelines. They surface at night, as it is less likely to be detected by predators. During the day, they generally move to deeper waters or near any form of cover, such as floating driftwood, reefs, rocks, or grasses.\nSquids have speedy colour-changing abilities as their pigment cells, the chromatophores, rapidly change size and colour and the visual effect is enhanced by light reflecting cells, the iridocytes. They can shoot ink (dark melanin pigment) to confuse predators and aide in escapes. \nLembeh Strait, Indonesia\n1°28'47.196 N 125°14'12.42 E at 16m depth by night
octopus
Sea life. Octopus eye- Cephalopod. Underwater abstract. Close-up
octopus close up under water, beige toning
Common octopus attacking camera. Mediterranean sea.
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