Abstract
The aim of this article is to clarify the particular distribution of deep-water Indian Ocean scleractinian corals with respect to the location of the belts of the global oceanic conveyor. This study is based on the author’s own and others’ publications on the fauna of Indian Ocean corals; it ranks by depth the stations where these organisms have been found. It has been determined that a maximum of finds was obtained at a depth of 1–2 km, with the amount declining sharply at lower depths, and that the amount increases once more at a depth of 4–5 km. However, at lower depths, scleractinian corals are represented by just three species belonging to two genera. An asymmetrical spatial distribution of scleractinian corals at depths greater than 3 km was established, with a far greater number of stations in the western part of the ocean than in the east. This phenomenon is likely linked to the idiosyncracies of the circulation of both contemporary and Neogene water. Comparison of the fauna of Indian Ocean scleractinian corals at depths of 1–2 km with those of the Pacific, which have already been studied, shows that the Pacific features the greatest abundance of species, 109, while that of the Indian Ocean has 18 species.
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REFERENCES
N. B. Keller, “Spatial distribution of madrepore coral species without zooxanthellae (Cnidaria, Anthozoa),” Okeanologiya 38 (2), 227–232 (1998).
N. B. Keller, “New data on zooxanthelate-free scleractinian corals of the northern Indian Ocean,” Byull. MOIP, Ser. Biol. 113 (1), 62–66 (2008).
N. B. Keller, Deep Sea Scleractinian Corals (Krasand, Moscow, 2012) [in Russian].
N. B. Keller, N. S. Os’kina, T. A. Savilova, and Yu. A. Zaraiskaya, “The distribution of scleractinian corals inhabiting depths of over 1000 m in the Pacific Ocean,” Oceanology 62 (6), 846–859 (2022).
A. Alcock, “On some newly-recorded corals from the Indian Seas,” J. Asiatic Soc. Bengal 62 Part II (2), 138–149 (1893).
A. Alcock, An Account of the Deep-Sea Madreporaria Collected by Royal Indian Marine Survey Ship “Investigator” (Trustees of the Indian Museum, Calcutta, 1898).
A. Alcock, “Report on the deep-sea Madreporaria of the Siboga Expedition,” Siboga-Expeditie 16a, 52 (1902).
S. D. Cairns and N. B. Keller, “New taxa and distributional records of azooxantellate Scleractinia (Cnidaria: Anthozoa) from the tropical south-west Indian Ocean with comments on their zoo-geography and ecology,” Annals of the South African Museum 103 (5), 213–292 (1993).
J. S. Gardiner, “The turbinolid corals of South Africa, with notes on their anatomy and variation,” Mar. Invest. S. Afr. 3 (4), 97–129 (1904).
J. S. Gardiner and P. Waugh, “The flabellid and turbinolid corals,” Sci. Rep. John Murray Expedition 5 (7), 167–202 (1938).
J. S. Gardiner and P. Waugh, “Madreporaria excluding Flabellidae and Turbinolidae,” Sci. Rep. John Murray Expedition 6 (5), 225–242 (1939).
H. Zibrowius and J. M. Gili, “Deep-water Scleractinia (Cnidaria: Anthozoa) from Namibia, South Africa, and Walwis Ridge, southeastern Atlantic,” Sci. Mar. 54 (1), 19–46 (1990).
T. W. Vaughan and J. W. Wells, “Revision of the suborders, families and genera of the Scleractinia,” Geol. Soc. Am., Spec. Pap. 44, 363 (1943).
J. W. Wells, “Scleractinia,” in Treatise on Invertebrate Paleontology, Ed. by R. C. Moore, F. Coelenterata (Univ. Kansas Press, Lawrence, 1956), pp. 328–444.
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Keller, N.B., Oskina, N.S., Olshanetskiy, D.M. et al. Distribution of Deep-Water Scleractinian Corals in the Indian Ocean and Its Similarities and Differences with the Distribution in the Pacific Ocean. Oceanology 63, 363–369 (2023). https://doi.org/10.1134/S0001437023030062
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DOI: https://doi.org/10.1134/S0001437023030062