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Yellow nipple sponges and orange tree-like sponge on rocky reef under canopy of kelp forest. Location: Leigh New Zealand
Deep water mushroom soft coral, Heteropolypus ritteri is a genus of soft corals in the family.  Monterey Bay, California. Alcyoniidae.
A submerged pipe lies partially buried in the sandy bottom while various marine plants and algae grow nearby, showcasing the underwater ecosystem's interaction with human-made structures.
Water waves in the Atlantic ocean, volcanic ashes in the water, Volcanic eruption in La Palma, Canary Islands.
Beautiful underwater scenery with sunlight
Fan tube worm (Sabellastarte magnifica) on the roots of a mangrove tree in Guadeloupe (Caribbean, France)
Explore the vibrant underwater world that is full of diverse coral reefs and thriving seaweed ecosystems
Reef and sea life in the Pacific Ocean
Row of loaf shaped yellow nipple sponges on flat rocky sea floor under canopy of kelp. Location: Leigh New Zealand
Half Underwater View Mussel and Oyster Farm
Beautiful seascape with Red of Soft Coral in the St. Lawrence River
A colorful underwater coral wall in the waters of Illes Medes near L’Estartit, Catalonia, featuring a variety of vibrant coral species and marine biodiversity, showcasing the natural richness of the Mediterranean Sea.
Beautiful coral
Ocean scenic
Underwater Freshwater Flora Rivers, Lakes, Pond,  Underwater Flora
Common octopus under the water surface. Mediterranean sea.
Colourful wall covered with sponges and other invertebrate life forms struggling under layers of sediment.
The aggregating anemone, Anthopleura elegantissima, or clonal anemone, is the most abundant species of sea anemone found on rocky Pacific coast of North America. This cnidarian hosts endosymbiotic algae called zooxanthellae.  Salt Point State Park, California.
Reef scene with large orange Flagellar sea fan and a Palmate sea fan surrounding it
Anemones under water.
Vibrant underwater marine ecosystem teeming with diverse aquatic life
A spiny Star Fish in its natural habitat of the Cornwall coast in the UK.
Kelp seaweed on the ocean floor.
An underwater scene featuring a stone (Ancient Coral Formation) in clear blue water. The stone showcases  yellow algae on its surface. The water's transparency allows for a clear view of the stone and the intricate details of the algae growth. The photograph provides a straightforward depiction of the stone's presence within the aquatic environment, highlighting the natural occurrence of algae in underwater habitats. The combination of the stone, yellow algae, and clear blue water creates a visually interesting tableau, showcasing the simplicity and beauty found beneath the water's surface.
Beautiful pictures of wild fish (Cherry Bass) swimming in the blue sea
The tide pools show a variety of life that lives in the pacific waters. Crustaceans, hermit crabs, shellfish, and a variety of other species made for a great day of exploration.
Finger Sponge and colorful Red Soft Coral underwater in the Gulf of St.Lawrence.
algae in a river channel
Sponges of various colours and shapes grow under canopy of kelp forest. Location: Leigh New Zealand
Psolus chitonoides, also known as the slipper sea cucumber, armoured sea cucumber, creeping armoured sea cucumber, or creeping pedal sea cucumber. Monterey County, California. Underwater.
Free Images: "bestof:underwater water outdoor coral off Gloucester, MA off Gloucester, MA"
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