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Glass sponge, Sea life Salp and Orange Sea sponge from scuba diver point of view
Juvenile sharpear enope squid about 1\
Sabella pavonina
The underwater life of Flower Garden Banks National Marine Sanctuary, Texas
Deep water mushroom soft coral, Heteropolypus ritteri is a genus of soft corals in the family.  Monterey Bay, California. Alcyoniidae.
Salps joinded togethe
This image shows a sea cucumber being held by a hand wearing blue gloves. The surface of the sea cucumber is green, covered with many orange protrusions, and it appears very moist and smooth. The background is blurred, highlighting the details and texture of the sea cucumber.
Computer generated 3D illustration with an ammonoid
Cambrian period animal. 3D visualisacion of anomalocaris. Use for science educational video.
Sea life worm Spiral tube worm Underwater beauty  Aquatic organism   Close up, macro photo. Scuba diver point of view
Drift Ice Angel Clionidae
Blue Striped Tunicate Rhopalaea circula occurs in the Western Central Pacific in a depth range from 6-18m. Tunicates do not have backbones, but they are vertebrates, why? At some point in their life cycle, they have a tail, a central nerve cord, a pharyngeal gill cleft and a notochord. Often mistaken for sponges, it's simple to test: Tunicates have two siphons and when disturbed, they can rapidly close them. Palau 7Ā°6'55.26 N 134Ā°16'11.96 E at 25m depth, deeper than the usually noted 18m maximum depth.
Comb jelly (Mertensia ovum) drifting underwater in the St. Lawrence River in Canada.
Shell series: sea shells in various colors
Mediterranean fanworm (Sabella spallanzanii), also known as the feather duster worm.
Ptilosarcus gurneyi, the orange sea pen or fleshy sea pen, is a species of sea pen in the family Pennatulidae. It is native to the northeastern Pacific Ocean where it lives in deep water anchored by its base in sand or mud. It has received its common name because of its resemblance to a quill in a bottle of ink. Monterey Bay, California.
Deep-sea fish
Abstract Sea life worm Spiral tubeworm Underwater beauty Scuba diver point of view
Photo of Tripletail, a juvenile saltwater fish, against a black background.
Close up of a shark egg.
An illustration of the extinct Horn Coral Rugosa of the Silurian 418 million years ago.
A red tubicolous worm (Serpula vermicularis) in the French Mediterranean Sea
Acetabularia acetabulum is a species of green alga in the family Polyphysaceae. It is found in the Mediterranean Sea at a depth of one to two metres.
Brown hydra, Hydra oligactis, with ingested mosquito larva. Specks in background are bacteria. Fresh water, Diamond Lake, Oregon, USA. Live specimen, wet mount, 2.5X, oblique reflected illumination.
Bubble Coral on diverse coral substrate
Abstract Sea life worm Spiral tubeworm Underwater beauty Scuba diver point of view
Stalked Ascidian, Seescheidenkolonie (Clavelina robusta)
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
Dance of KURIONE
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, 3Ā°56'17.7941 S 134Ā°7'10.2802 E at 1m depth
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