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Hairy Frogfish - Antennarius striatus. Underwater macro world of Tulamben, Bali, Indonesia.
Sea life Nudibranch Underwater beauty Scuba diver point of view
Blue Sea Squirt, Central Visayas, Philippines.
fish tank
Glaucus atlanticus Forster, 1777
shrimp , underwater, mantis shrimp
Encrusting colonial ascidian form or tunicate Diplosoma spongiforme close-up undersea, Aegean Sea, Greece, Halkidiki
The giant California sea cucumber (Parastichopus californicus or Apostichopus californicus) is a sea cucumber that can be found from the Gulf of Alaska to Southern California. Monterey County, California.
Diadema setosum
Sea life Salp  Glass sponge, and Orange Sea sponge from scuba diver point of view
Close-Up in coral the reef around Curaçao /Netherlands Antilles
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.
A school of fish in Lembeh
Nature, Horizontal, Underwater Shot, Plant, Water
Tropical aquarium, tropical waters sea anemone macro close up tentacles
A vibrant nudibranch, Chromodoris magnifica, crawls slowly across a shallow coral reef in Komodo National Park, Indonesia. Nudibranchs are colorful as a warning to predators that they are toxic.
Crab zoea larvae on the beach, Cape Town, South Africa
Colorful Coral Reef Teeming with Exotic Fish. Lively and colorful coral reef in a vibrant underwater world. Diverse array of tropical fish swimming freely in their aquatic environment, creating a mesmerizing scene for nature and animal enthusiasts alike.
A sunburst sea anemone in a tidal pool on the coast of Newport Beach, California during the winter.
A tiny Emperor Shrimp living together with a nudibranch Mexichromis multituberculata. Underwater macro world.
Sabella spallanzani is a species of marine polychaete worm commonly known as the European fan worm or feather duster worm. It belongs to the family Sabellidae and is widely distributed in the coastal waters of the Mediterranean Sea and the northeastern Atlantic Ocean. The worm has a slender and elongated body that can reach lengths of up to 30 centimeters. Its most striking feature is its ornate crown of feathery, fan-shaped tentacles called radioles, which are used for filter-feeding and respiration. The radioles come in various colors, including shades of white, yellow, orange, and pink, adding a vibrant touch to the underwater landscape. Sabella spallanzani is a fascinating and beautiful creature that contributes to the biodiversity of marine ecosystems.
Sea life Spiral tubeworm Underwater beauty
Hairy frogfish yellow variation, Gestreifter Anglerfisch gelb (Antennarius striatus)
These garden eels are hovering over the sandy bottom of their aquarium.
High-hat Triplefin Enneapterygius tutuilae occurs in the tropical Indo-West Pacific from East Africa to Micronesia, Line Islands, and Society Islands, and Taiwan to Australia, including Papua New Guinea, Line Islands and Society Islands, Taiwan to reefs of Coral Sea and New Caledonia in a depth range from 0-55m, max. length 4cm. Adults are found in various reef habitats, but often on sponges or reef outcrops and in intertidal pools and on corals and rocks. The species feeds on zooplankton. \nEven if it is the most common and most widely distributed among Enneapterygius species, this tiny and well camouflaged fish is rarely encountered. \nTriton Bay, Kaimana Regency, West Papua Province, Indonesia \n3°54'41.0503 S 134°7'18.2052 E at 4m depth
Image of Sea slug under the water
Millions of Golden jellyfish, Mastigias papua etpisonii, swim in Palau's famous Jellyfish Lake. The jellyfish population grows with cooler water temperature and falls with warmer temperatures.
Anthopleura xanthogrammica, or the giant green anemone, is a species of intertidal sea anemone of the family Actiniidae. Other  names for this anemone include green surf anemone, giant green sea anemone, green anemone, giant tidepool anemone, anemone, and rough anemone.  Salt Point State Park, California.
Finger shaped sea pen (Veretillum cynomorium). Marine animal.
Underwater photography of tropical reef  species in Papua New Guinea
Free Images: "bestof:Sea squirts (known to be invasive) are tunicates, sea life with a primitive spinal cord and a firm, flexible outer covering called a "tunic,""
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