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Yellow nipple sponges and orange tree-like sponge on rocky reef under canopy of kelp forest. Location: Leigh New Zealand
Finger Sponge and colorful Red Soft Coral underwater in the Gulf of St.Lawrence.
Beautiful coral
Deep water mushroom soft coral, Heteropolypus ritteri is a genus of soft corals in the family.  Monterey Bay, California. Alcyoniidae.
Ocean scenic
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.
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.
Fan tube worm (Sabellastarte magnifica) on the roots of a mangrove tree in Guadeloupe (Caribbean, France)
Row of loaf shaped yellow nipple sponges on flat rocky sea floor under canopy of kelp. Location: Leigh New Zealand
Beautiful seascape with Red of Soft Coral in the St. Lawrence River
algae in a river channel
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.
Underwater Freshwater Flora Rivers, Lakes, Pond,  Underwater Flora
Half Underwater View Mussel and Oyster Farm
A Red Gorgania in Buyukada in Istanbul
Reefs on a seabed in shallow waters in Spain.
Colourful wall covered with sponges and other invertebrate life forms struggling under layers of sediment.
Beautiful seascape with Red of Soft Coral in the St. Lawrence River
Common octopus under the water surface. Mediterranean sea.
sea ​​damsels swimming on the seabed in the Mediterranean Sea among the colors of a blue sea
Explore the vibrant underwater world that is full of diverse coral reefs and thriving seaweed ecosystems
Anemones under water.
Beautiful underwater scenery with sunlight
Giant Acorn Barnacle Feeding using Cirri, Balanus nubilus,   Monterey, California; Arthropoda; Crustacea; Thoracica; Balanidae
Stalked kelp Ecklonia radiata and yellow nipple sponges scattered on sea floor. Location: Leigh New Zealand
Reef and sea life in the Pacific Ocean
Green tree coral (Tubastrea micranthus) in the marine protected area of Aliwal Shoal on the east coast of South Africa.
Vibrant underwater marine ecosystem teeming with diverse aquatic life
Reef scene with large orange Flagellar sea fan and a Palmate sea fan surrounding it
an underwater scene of lush green seagrass thriving in a tidal current within the ocean. The seagrass blades wave gracefully with the flow, reflecting the vitality and fluidity of marine ecosystems
Free Images: "bestof:underwater water outdoor coral off Gloucester, MA off Gloucester, MA"
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