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Squid to swim in the water
Saltwater fish in aquarium.
squid swimming underwater in the ocean floor
Close-up of fish
The Common (European) Cuttlefish (Sepia officinalis) underwater in sea - cephalopod, related to squid and octopus
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 was encountered in the Lembeh Strait, Indonesia\n1°28'8.916 N 125°14'39.102 E at 16m depth
Bigfin reef squid hovering in the saltwater aquarium with blue background. The figure of a blue squid hovering in the water with tentacles extended on the azure back.
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
Yellow squid in blue
Underwater color images of the Bigfin Reef Squid,  Sepioteuthis lessoniana
fish under Thai sea
Bigfin Reef Squid
Close frame of an amazing Giant Pacific Octopus in an aquarium.
Reef Squid at the aquarium
Extreme close-up of an octopus sleeping with closed eyes. Blurred tentacles in the foreground.
Bigfin Reef Squids at the aquarium.
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
Bunch of squid over sand
Sardina pilchardus swimming underwater
The Common (European) Cuttlefish (Sepia officinalis) underwater in sea - cephalopod, related to squid and octopus
Photo taken in Red Sea.
Live squid
History Under the Sea.
Toyama,Japan - April 6, 2024: Closeup of firefly squid or toyama squid or Luminescent dwarf squid or Sparkling Enope Squid
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
Squid
Giant grouper fish
Bigfin reef squid (Sepioteuthis lessoniana) are common in the tropical waters of the Indian Ocean and the seas between northern Australia, New Zealand and Asia.
Sharks raised in the aquarium
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