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Bush coral or spiny row coral, needle coral (Seriatopora hystrix) close-up undersea, Red Sea, Egypt, Sharm El Sheikh, Nabq Bay
Chaetodon austriacus - Underwater landscape of coral biocenosis with tropical fish on a reef in the Red Sea
bunch of natural sponges
Other types of mushrooms have pores instead of gills. Like gills, pores produce spores, but they appear as small, sponge-like holes instead of thin blades. The little holes lead to tubes inside the cap. As spores mature, they eventually fall from the tubes out of holes and into their environment.
soft coral crab - hoplopphrys oatesil on a red soft coral in Lembeh
Raja Ampat
Cozumel's reefs are home to an abundance of sea life
Mushroom coral
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
Sandy bank on the seabed below cliffs at Bahar ic-Caghaq in Malta
Large school of small fish underwater
Underwater scenery with corals and fish in background. Diving at Anakao, Madagascar
Close-up of a green Acropora coral with purple tips.
Coral in Molasses Reef
Sun zoanthid or cinnamon polyp, Palythoa grandis, growing in a salt water aquarium.
The underwater world of coral reef with fishes at diving. Coral garden under water. Coral Reef Fish Scene. Philippines. 360 panorama VR
yellow anemone on blue background.
Eggs of Clownfish - Klark’s Anemonefish -Amphiprion clarkii. Underwater macro life of Tulamben, Bali, Indonesia.
Zea Stem C.S.under light microscopy
Close-up of Hippopus hippopus sea shell on a black background
Gorgonian Fan Annella mollis occurs in the tropical Indo-West Pacific on lower reef slopes and bottom and reefs exposed to strong tidal currents; on rock or sand substrates in a depth range from 12-18m. This Gorgonian has retracted polyps, it's mid day and with high aperture value and short exposure the background is black. Near Lekuan II, the famous wall at Bunaken Island, part of the Bunaken National Marine Park, North Sulawesi, Indonesia, 1°35'57.4\
coral reef background from Makadi Bay Egypt
Mosaic coral. Macro, close up. Underwater  sea life - coral reef. Soft coral,  deep in tropical sea. Scuba Diver Point of View,
Seashell background texture lots of sea snails mixed
golden coral underwater, sea life abstract background.
Hard corals colony Porites, school of colorful tropical fish swims above top of coral reef in brightly sun rays, Backlighting (Contre-jour) Red sea, Safaga, Egypt
Strawberry anemone
rough round agate mineral sample with outer shell geode
Large aggregation of Montipora sp. coral with Sinularia sp. and Sarcophyton sp. soft corals around.
Free Images: "bestof:Coral polyp en.svg en Anatomy of a coral polyp 2014-06-03 10 24 22 File Coral_polyp_de svg Coral_polyp jpg NOAA <br /> derivative work to SVG MarkusZi <br />"
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