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A Coconut Octopus in Lembeh Strait in Indonesia
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
Octopus swimming near corral reef in Indian Ocean. Watamu, Kenya.
Closeup of Portuguese Man’o’War (Physalia Physalis ) released by the tide on a privy in southeastern Brazil
Common octopus (Octopus vulgaris) hunting, Aegean Sea, Greece, Halkidiki
Reef octopus in blue
marine creatures in natural habitat around Curaçao /Dutch Antilles
This is a photograph taken on a mobile phone outdoors in during the summer of 2020 of starfish and anenome crowded on a rock at low tide on Bandon Beach, Oregon.
Mimic Octopus on sand
Sea life. Octopus, Cephalopod on  Sandy bottom. Underwater abstract. Close-up
Blue-ringed octopus highly venomous species ,that are found in tide pools and coral reefs
A sunburst sea anemone in a tidal pool on the coast of Newport Beach, California during the winter.
Side view of a Common Octopus (Octopus vulgaris) sitting on the ocean floor with its arms tucked underneath his body.
Extreme close up of Octopus eye and skin texture, macro underwater photography. Australia.
isolated octopus lying on a stone with dark background
Big jellyfish in the sand
coral reef with octopus at the bottom of tropical sea on blue water background
Lobed spider (Argiope lobata), one of the most poisonous spiders in the world, walking on the sand in İzmir, Çeşme, Altınkum
Coconut Octopus - Amphioctopus marginatus builds a house. Underwater night life of Tulamben, Bali, Indonesia.
Cuttlefish or cuttles are marine molluscs of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone.
A greyscale shot of an octopus on a jar inside the aquarium
A close-up view of a Nassau grouper (Epinephelus striatus) and a female diver in Cayman Brac - Cayman Islands
Coconut Octopus (Amphioctopus marginatus) is a species of benthic cephalopod that belongs to the family Octopodidae. They are known for their high level of intelligence and ability to use tools, such as coconut shells, as shelter. They are native to tropical marine environments, particularly coral reefs, and are well-known for their excellent camouflage abilities, including color-changing and mimicry. They have eight arms, each lined with two rows of suction cups, and are able to communicate with other octopuses through color changes and body language. They use jet propulsion to move through the water and can also expel ink as a defense mechanism. Overall, Coconut Octopuses are fascinating invertebrates with complex behavior and unique adaptations.
A common octopus (Octopus vulgaris) in La Ciotat in the Calanque National Park in the South of France.
Octopus vulgaris underwater
A live Wavy Turban snail found in a tidal pool along the California coast near Laguna Beach.
Reef Octopus moving around a tropical coral reef at dusk
Cleaning Octopus
octopus tentacles
Shell Collection: sea ​​shell
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