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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 invasion of Tulagi, on 3–4 May 1942, was part of Operation Mo, the Empire of Japan's strategy in the South Pacific and South West Pacific Area in 1942. The plan called for Imperial Japanese Navy troops to capture Tulagi and nearby islands in the British Solomon Islands Protectorate.
Deep-water coral Paragorgia arborea and a Coryphaenoides fish at a depth of 1,255 m (4,117 ft) on the Davidson Seamount. The habitat of deep-water corals, also known as cold-water corals, extends to deeper, darker parts of the oceans than tropical corals, ranging from near the surface to the abyss, beyond 2,000 metres (6,600 ft) where water temperatures may be as cold as 4 °C (39 °F).
Diploria labyrinthiformis (grooved brain coral). Brain coral is a common name given to various corals in the families Mussidae and Merulinidae, so called due to their generally spheroid shape and grooved surface which resembles a brain.
The New Order (German: Neuordnung) of Europe was the political and social system that Nazi Germany wanted to impose on the areas of Europe that it conquered and occupied.
Pocilloporids are colonial and most species are reef-building. They are very variable in size and shape, some being submassive and others arborescent or ramose. The corallites are small and vary from being sunken to being raised cones.
It was transferred to the new genus Diploastrea by G. Matthai in 1914. [5] Diploastrea heliopora was included in the family Agathiphylliidae by T.W. Vaughan and J.W. Wells in 1943. It was the only extant member of the family, which also included four fossil species. In 1956, Wells transferred the genus to Faviidae, and this has been widely ...
Close up of Diploria labyrinthiformis, Vieques, Puerto Rico. Mussidae is a family of stony coral in the order Scleractinia.Following a taxonomic revision in 2012, the family is now restricted to species found in the Atlantic Ocean, with Pacific species transferred to the new family Lobophylliidae.