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Sponges of various colours and shapes grow under canopy of kelp forest. Location: Leigh New Zealand
Water waves in the Atlantic ocean, volcanic ashes in the water, Volcanic eruption in La Palma, Canary Islands.
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.
Green tree coral (Tubastrea micranthus) in the marine protected area of Aliwal Shoal on the east coast of South Africa.
Beautiful coral
Giant Acorn Barnacle Feeding using Cirri, Balanus nubilus,   Monterey, California; Arthropoda; Crustacea; Thoracica; Balanidae
Half Underwater View Mussel and Oyster Farm
Finger Sponge and colorful Red Soft Coral underwater in the Gulf of St.Lawrence.
Row of loaf shaped yellow nipple sponges on flat rocky sea floor under canopy of kelp. Location: Leigh New Zealand
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.
Underwater Freshwater Flora Rivers, Lakes, Pond,  Underwater Flora
Common octopus under the water surface. Mediterranean sea.
Shallow salt water explored with miniature submarine, shoals of sea life may be seen. as well as seaweed.
Deep water mushroom soft coral, Heteropolypus ritteri is a genus of soft corals in the family.  Monterey Bay, California. Alcyoniidae.
Sea Life Hilton Head Island
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.
Colourful wall covered with sponges and other invertebrate life forms struggling under layers of sediment.
White sea shell.  Close up Abstract.  Exploring and enjoying Beautiful Sea Life macro .  Underwater scene at clear mediterranean sea.  Scuba diver point of view. Greece Europe. Underwater photography
Reef scene with large orange Flagellar sea fan and a Palmate sea fan surrounding it
Thistle soft coral (Dendronephthya sp.) in the marine protected area of Aliwal Shoal on the east coast of South Africa.
Underwater landscape, Black Sea. Green, red and brown algae on the seabed (Ulva, Enteromorpha, Ceramium, Cladophora, Porphira)
Anemones under water.
Warty Sponge underwater in the St. Lawrence River
Underwater sea, Little Planet Format
Stalked kelp Ecklonia radiata and yellow nipple sponges scattered on sea floor. Location: Leigh New Zealand
algae in a river channel
Red beard sponge (Clathria proliferia) underwater growing on a rock in the Bass River of Cape Cod in Yarmouth, Massachusetts
sea ​​damsels swimming on the seabed in the Mediterranean Sea among the colors of a blue sea
Coastal fog with algae underwater in the Atlantic ocean, split level view over and under water surface, Spain, Galicia, Rias baixas
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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