Corals are marine organisms from the class Anthozoa and exist as small sea anemone–like polyps, typically in colonies of many identical individuals. The group includes the important reef builders that are found in tropical oceans, which secrete calcium carbonate to form a hard skeleton.
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Tetra 8-4/9-Ounce AquaSafe Water Conditioner with BioExtract Average Rating:   |
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AquaSafe® makes tap water safe for fish by eliminating chlorine and heavy metals present in municipal water supplies. AquaSafe® also neutralizes chloramine by breaking down the bond between chlorine and ammonia while reducing both fish-toxic chlorine and ammonia components... |
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Tetra Whisper Bio-Bag Cartridge small, 2-Pack Average Rating: |
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Whisper Bio Bag Disposable Filter Cartridges keep your aquarium water crystal clear, help remove odors and discoloration, and are economical and easy to use. Whisper Filter Cartridges provide superior mechanical and chemical filtration for your aquarium... |
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Fluval Carbon Replacement Packs |
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Fluval Carbon 100 Gram 3-pack Nylon Bags - Fluval A1440. |
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Coral Reef Aquarium:Vol.01 Set-Up [VHS] Average Rating: |
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Coral Reef Aquarium: Vol. 3 Creatures [VHS] Average Rating: |
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Coral Reef Aquarium:Vol.02 Reef Keepi [VHS] Average Rating: |
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Summer Flip Flops Decorative Night Light |
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Handcrafted in the USA to the highest standards using licensed materials with great individual care and attention to detail. We are certain that you will be completely delighted and satisfied with our product... |
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Coral Reef Decorative Switchplate Cover |
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Handcrafted to the highest standards using the artistry of the decoupage technique, artwork is triple sealed with a special sealant to ensure durability,easy cleaning and obtain an enamel like finish. Artwork will not fade... |
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Coral Reef Decorative Steel Switchplate Cover |
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We also offer a wide range of matching decoupaged switchplates and outlet covers, nightlights, drawer knobs, tiles, mouse pads, and unique housewares. We guarantee your complete satisfaction or money back... |
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BluScenes: Coral Reef Aquarium 1080p HD Blu-ray Disc [Blu-ray] Average Rating:  |
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The cinematographers at BluScenes combined the renowned coral reef tanks of Advanced Aquarist and Senior Editor of Reefs Magazine, Randy Donowitz, with the crystal-clear image quality of the RED One 4K camera to create the ultimate Coral Reef Aquarium Blu-ray Disc... |
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Reefscapes: Nature's Aquarium DVD (2nd Edition - widescreen) Average Rating: |
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OVERVIEW: The world's most breathtaking underwater scenery transforms your widescreen TV into a natural ocean aquarium! Reefscapes: Nature's Aquarium takes the aquarium DVD concept to the next level because it wasn't filmed in a fish tank -- instead, it was filmed on actual coral reefs... |
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Plasmaquarium Vol. II Ultra Coral Reef Aquarium DVD (Widescreen) Average Rating: |
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Studio: Microcinema Inc. Release Date: 04/29/2008 Run time: 60 minutes |
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Fisher-Price Coral Reef Tub, Aquarium |
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Bio Bandage .08 Oz Carded |
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Bio bandage .08 oz carded |
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Cichlid Gold 2oz - Baby Pellet |
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Hikari Cichlid Gold™ contains special color enhancers designed to bring out the natural beauty and proper form of cichlids and other larger tropical fish. We utilize the highest grade of ingredients formulated in exacting quantities to produce a food that will bring the brilliant colors of your fish to life! |
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ATI Aquarium Thermometers - SMALL ATI THERMOMETER |
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All ATI Thermometers are manufactured under the same stringent FDA regulations that govern procedures, tests, and quality standards for medical products. They are accurate within plus or minus one degree. |
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Oranda Gold 3.5oz - Mini Pellet |
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A floating daily diet for fancy goldfish offering superior color enhancement with complete and balanced nutrition.3.5 Oz |
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MILLENIUM 1000 ROTOR IMPELLER |
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MILLENIUM 1000 ROTOR IMPELLER |
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Extreme Pak Invisible Pattern Water Repellent Rolling Duffle Bag |
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Measures 28" x 15-1/2" x 12" and features telescoping handle, wheels and two padded hand straps for rolling or hand carrying. Also features double zippers on the top, three pockets in the front and a deep pocket on the end. |
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Ornament - Velvet Stone Coral X - large Pink |
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Australia Synthetic Coral Reproduction. Safe for freshwater & marine aquariums. |
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Aquarium Corals : Selection, Husbandry, and Natural History Average Rating: |
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464 pages, hardcover. By Eric H. Borneman. Color photographs. Designed to help new and experienced aquarists to select the most appropriate corals for their systems and to provide guidance in keeping them healthy for the long term, this all-new book is pa Beautiful, bizarre, and among nature's most colorful creations, living corals are now being successfully kept and grown in a rapidly growing number of home reef aquariums... |
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A coral "head", commonly perceived to be a single organism, is formed from thousands of individual but genetically identical polyps, each polyp only a few millimeters in diameter. Over thousands of generations, the polyps lay down a skeleton that is characteristic of their species. A head of coral grows by asexual reproduction of the individual polyps. Corals also breed sexually by spawning, with corals of the same species releasing gametes simultaneously over a period of one to several nights around a full moon.
Although corals can catch plankton using stinging cells on their tentacles, these animals obtain most of their nutrients from symbiotic unicellular algae called zooxanthellae. Consequently, most corals depend on sunlight and grow in clear and shallow water, typically at depths shallower than 60 m (200 ft). These corals can be major contributors to the physical structure of the coral reefs that develop in tropical and subtropical waters, such as the enormous Great Barrier Reef off the coast of Queensland, Australia. Other corals do not have associated algae and can live in much deeper water, such as in the Atlantic, with the cold-water genus Lophelia surviving as deep as 3000 m. Examples of these can be found living on the Darwin Mounds located north-west of Cape Wrath, Scotland. Corals have also been found off the coast of Washington State and the Aleutian Islands in Alaska.