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The blue coral is the only extant octocoral with a massive skeleton, [3] which is composed of fibrocrystalline aragonite (calcium carbonate). It is a hermatypic zooxanthellaete species with either blue or green-grey polyps located within its skeleton, with each containing eight tentacles. Its colonies are either columnar, plate like or branched.
Octocorallia (also known as Alcyonaria) is a class of Anthozoa comprising over 3,000 species [1] of marine organisms formed of colonial polyps with 8-fold symmetry. It includes the blue coral, soft corals, sea pens, and gorgonians (sea fans and sea whips) within three orders: Alcyonacea, Helioporacea, and Pennatulacea. [2]
The blue color of the skeleton (which is covered with a layer of brown polyps) is caused by iron salts. Blue coral can be used in tropical aquaria, and the crystalline calcareous fibres in the skeletons can be used for jewelry. Individual polyps have eight feathery tentacles and, in the gastrovascular cavity, eight septa, or partitions. Cilia ...
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Heliopora coerulea (Pallas, 1766) - blue coral Heliopora fijiensis † Hoffmeister, 1945 Heliopora hiberniana Richards, Yasuda, Kikuchi, Foster, Mitsuyuki, Stat, Suyama & Wilson, 2018 [ 2 ]
Montipora flabellata, known by the common name blue rice coral, is a species of coral in the family Acroporidae. It is found growing on coral reefs in tropical parts of the Indian and Pacific Oceans.
Laiya Beach (Tagalog pronunciation:) is a beach destination in San Juan, Batangas, Philippines. [1] It is one of the most visited beaches in the country. [2] The beach's sand is composed of weathering-formed crushed shells. [3] [4] Banana boat and jet ski services are offered to people staying in resorts. Fishing boats are also frequently seen ...
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