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Article
Published: 2020-05-25

Two new species of the genus Chironephthya (Octocorallia, Alcyonacea, Nidaliidae, Siphonogorgiinae) from the Gulf of Thailand

Wakayama Laboratory, Biological Institute on Kuroshio, 300-11 Kire, Wakayama City, Wakayama 640-0351, Japan
Reef Biology Research Group, Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
Reef Biology Research Group, Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
Molecular Invertebrate Systematics and Ecology Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0123, Japan.
Molecular Invertebrate Systematics and Ecology Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0123, Japan Tropical Biosphere Research Center, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0123, Japan
Department of Zoology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba City, Ibaraki 305-0005, Japan
Coelenterata Chironephthya sirindhornae sp. nov. C. cornigera sp. nov. new species common base Octocorallia Nidaliidae Siphonogorgiinae Gulf of Thailand

Abstract

Two new species of the genus Chironephthya, C. sirindhornae sp. nov. and C. cornigera sp. nov., are described based on three specimens collected from the Gulf of Thailand. Both species are well distinguished from the previously described species of the genus Chironephthya by their colonies consisting of multiple stems that stand upright from a common base, and by a significantly thinner canal wall without large spindles. As a result of phylogenetic analyses using COI, mtMutS, and 28S rDNA sequences of these two species, these three specimens constituted an independent small clade within a large mixed clade of Siphonogorgia and Chironephthya, with the two species slightly different from each other. The discrepancy in the morphology suggested the erection of a new genus to accommodate these species, however, as the subclade was included in a large mixed clade of Siphonogorgia and Chironephthya, we place these species within genus Chironephthya. Our results further highlight the continuing confusion between Siphonogorgia and Chironephthya, and demonstrate the need for taxonomic revision of these genera.

 

References

  1. Bayer, F.M., Grasshoff, M. & Verseveldt, J. (1983) Illustrated Trilingual Glossary of Morphological and Anatomical Terms Applied to Octocorallia. E.J. Brill/Dr. W. Backhuys, Leiden, 75 pp., 218 figs.

    Charmers, D. (1929) The alcyonarian genus Siphonogorgia, with descriptions of new species. Proceedings of the Royal Physical Society of Edinburgh, 21 (4), 159–169.

    Cordeiro, R., McFadden, C., van Ofwegen, L., Williams, G. (2020) World List of Octocorallia. Siphonogorgia macrospiculata (Thomson & Henderson, 1906). World Register of Marine Species. Available from: http://www.marinespecies.org/aphia.php?p=taxdetails&id=288747 (accessed on 31 January 2020)

    Ehrenberg, C.G. (1834) Beiträge zur physiologischen Kenntniss der Corallenthiere im allgemeinen, und besonders des rothen Meeres, nebst einem Versuche zur physiologischen Systematik derselben. Abhandlungen der Koniglichen Akademie der Wissenschaften in Berlin, 1832 (1), 225–380.

    Fabricius, K. & Alderslade, P. (2001) Soft corals and sea fans: A comprehensive guide to the tropical shallow-water genera of the Central West Pacific, the Indian Ocean and the Red Sea. Australian Institute of Marine Science, Townsville, 264 pp.

    France, S.C., Hoover, L.L. (2002) DNA sequences of the mitochondrial COI gene have low levels of divergence among deep-sea octocorals (Cnidaria: Anthozoa). Hydrobiologia, 471, 149–155.

    https://doi.org/10.1023/A:1016517724749

    Gray, J.E. (1862) Description of some new species of Spoggodes and a new allied genus (Morchellana) in the collection of the British Museum. Annals and Magazine of Natural History, 10, 69–73.

    Gray, J.E. (1868) Descriptions of some new genera and species of alcyonoid corals in the British Museum. Annals and Magazine of Natural History, including Zoology, Botany and Geology, Series 4, 2, 441–445, figs. 1–4.

    https://doi.org/10.1080/00222936808695849

    Gray, J.E. (1869) Notes on the fleshy alcyonoid corals (Alcyonium, Linn., or Zoophytaria carnosa). Annals and Magazine of Natural History, including Zoology, Botany and Geology, Series 4, 3, 117–131.

    https://doi.org/10.1080/00222936908695893

    Haeckel, E. (1866) Generelle Morphologie der Organismen, Allgemeine Grundzüge der Organischen Formen-Wissenschaft, mechanisch begründet durch die von Charles Darwin reformirte Descendez-Theorie, 2. Allgemeine Entwicklungsgeschicte der Organismen. Kritische Grundzüge der mechanischen Wissenschaft von den entwickelten Formen der Organismen, begründet durch die Descendenz-Theorie. Verlag von Georg Reimer, Berlin, 32 + 574 pp., 2 pls.

    https://doi.org/10.5962/bhl.title.3953

    Hall, T.A. (1999) BioEdit: a user-friendly biological sequence alignment editor and analysis program for Windows 95/98/NT. Nucleic Acids Symposium Series, Series 4, 1, 95–98.

    Harrison, R.M. (1909) On some new Alcyonaria from the Indian and Pacific Oceans, with a discussion of the genera Spongodes, Siphonogorgia, Chironephthya, and Solenocaulon. Transactions of the Linnean Society of London, 11, 17–44, pls. 3–7.

    https://doi.org/10.1111/j.1096-3642.1909.tb00488.x

    Hickson, S.J. (1903) The Alcyonaria of the Maldives. Part I. The genera Xenia, Telesto, Spongodes, Nephthya, Paraspongodes, Chironephthya, Siphonogorgia, Solenocaulon, and Melitodes. In: Gardiner, J.S. (Ed.), The Fauna and Geography of the Maldive and Laccadive Archipelagoes. Vol. 2. Part 1. The University Press, Cambridge, pp. 473–502, pls. 26–27.

    Huelsenbeck, J.P. & Ronquist, F. (2001) MRBAYES: Bayesian inference of phylogenetic trees. Bioinformatics, 17 (8), 754–755.

    https://doi.org/10.1093/bioinformatics/17.8.754

    Imahara, Y., Iwase, F. & Namikawa, H. (2014) The Octocorals of Sagami Bay, Tokai University Press, Hatano City, Kanagawa, 399 pp.

    Imahara, Y., Yamamoto H., Takaoka, H. & Nonaka, M. (2017) First records of four soft coral species from Japan, with a list of soft corals previously found from the shallow waters of the Ryukyu Archipelago, Japan, and an overview on the systematics of the genera Siphonogorgia and Chironephthya. Fauna Ryukyuana, 38, 1–30.

    Kearse, M., Moir, R., Wilson, A., Stones-Havas, S., Cheung, M., Sturrock, S., Buxton, S., Cooper, A., Markowitz, S., Duran, C., Thierer, T., Ashton, B., Mentjies, P. & Drummond, A. (2012) Geneious Basic: an integrated and extendable desktop software platform for the organization and analysis of sequence data. Bioinformatics, 28 (12), 1647–1649.

    https://doi.org/10.1093/bioinformatics/bts199

    Kölliker, R.A. von. (1874) Die Pennatulide Umbellula und zwei neue Typen der Alcyonarien. In: Festschrift zur Feier des fünfundzwanzigjährigen Bestehens der Physikalisch-medizinischen Gesellschaft in Würzburg, 1–23, pls. 1, 2.

    Kumar, S., Stecher, G., Li, M., Knyaz, C. & Tamura, K. (2018) MEGA X: Molecular Evolutionary Genetics Analysis across computing platforms. Molecular Biology and Evolution, 35, 1547–1549.

    https://doi.org/10.1093/molbev/msy096

    Kükenthal, W. (1906) Japanische Alcyonaceen. In: Doflein, F., Beiträge zur Naturgeschichte Ostasiens. Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften, Supplement-Band, 1 (1), 9–86, figs. 1–69, pls. 1–5.

    Kükenthal, W. (1910) Alcyonaria. Die Fauna Südwest-Australiens. Ergebnisse der Hambruger südwest-australischen Forschungsreise 1905, 3 (1), 1–108, pls. 1–4.

    Lamouroux, J.V.F. (1812) Extrait ďun mémoire sur la classification des Polypiers coralligènes non entièrement pierreux. Nouveaux Bulletin des Sciences, par la Société Philomathique de Paris, 3, 181–188.

    López-González, P.J., Grinyó, J. & Gili, J.M. (2014) Chironephthya mediterranea n. sp. (Octocorallia, Alcyonacea, Nidaliidae), the first species of the genus discovered in the Mediterranean Sea. Marine Biodiversity, 45, 667–688.

    https://doi.org/10.1007/s12526-014-0269-5

    McFadden, C.S., Tullis, I.D., Hutchinson, M.B., Winner, K. & Sohm, J.A. (2004) Variation in coding (NADH dehydrogenase subunits 2, 3, and 6) and noncoding intergenic spacer regions of the mitochondrial genome in Octocorallia (Cnidaria: Anthozoa). Marine Biotechnology, 6, 516–526.

    https://doi.org/10.1007/s10126-002-0102-1

    McFadden, C.S., France, S.C., Sánchez, J.A. & Alderslade, P. (2006) A molecular phylogenetic analysis of the Octocorallia (Cnidaria: Anthozoa) based on mitochondrial protein-coding sequences. Molecular Phylogenetics and Evolution, 41 (3), 513–527.

    https://doi.org/10.1016/j.ympev.2006.06.010

    McFadden, C.S., Benayahu, Y., Pante, E., Thoma, J.N., Nevarez, P.A. & France, S.C. (2011) Limitations of mitochondrial gene barcoding in Octocorallia. Molecular Ecology Resources, 11 (1), 19–31.

    https://doi.org/10.1111/j.1755-0998.2010.02875.x

    McFadden, C.S. & van Ofwegen, L.P. (2013) A second, cryptic species of the soft coral genus Incrustatus (Anthozoa: Octocorallia: Clavulariidae) from Tierra del Fuego, Argentina, revealed by DNA barcoding. Helgoland Marine Research, 67, 137–147.

    doi: 10.1007/s10152-012-0310-7.

    McFadden, C.S., Brown, A.S., Brayton, C., Hunt, C.B & Ofwegen, L.P. van. (2014) Application of DNA barcoding in biodiversity studies of shallow water octocorals: molecular proxies agree with morphological estimates of species richness in Palau. Coral Reefs, 33, 275–286.

    https://doi.org/10.1007/s00338-013-1123-0

    Pérez, C.D., Neves, B.M. & Oliveira, D.H.R. (2011) New records of octocorals (Cnidaria: Anthozoa) from the Brazilian coast. Aquatic Biology, 13, 203–214.

    https://doi.org/10.3354/ab00363

    Ronquist, F., Teslenko, M., van der Mark, P., Ayres, D. L., Darling, A., Höhna, S., Larget, B., Liu, L., Suchard, M.A. & Huelsenbeck, J.P. (2012) MrBayes 3.2: Efficient Bayesian phylogenetic inference and model choice across a large model space. Systematic Biology, 61 (3), 539–542.

    https://doi.org/10.1093/sysbio/sys029

    Sánchez, J.A., McFadden, C.S., France, S.C. & Lasker, H.R. (2003) Molecular phylogenetic analyses of shallow-water Caribbean octocorals. Marine Biology, 142, 975–987.

    https://doi.org/10.1007/s00227-003-1018-7

    Studer, T. (1887) Versuch eines Systemes der Alcyonaria. Archiv für Naturgeschichte, 53 (1), 1–74, pl. 1.

    Thomson, J.A. & Dean, L.M.I. (1931) The Alcyonacea of the Siboga Expedition with an addendum to the Gorgonacea. Siboga-Expeditie Monographie, 13d, 1–227, pls. 1–28.

    Thomson, J.A. & Henderson, W.D. (1906) An Account of the Alcyonarians Collected by the Royal Indian Marine Survey Ship Investigator in the Indian Ocean. Part 1. The Alcyonarians of the Deep Sea. Indian Museum, Calcutta, 132 pp., 10 pls.

    https://doi.org/10.5962/bhl.title.8279

    Thomson, J.A. & Simpson, J.J. (1909) An Account of the Alcyonarians Collected by the Royal Indian Marine Survey Ship Investigator in the Indian Ocean, with a Report on the Species of Dendronephthya by W. D. Henderson. II. The Alcyonarians of the Littoral Area. The Indian Museum, Calcutta, xviii + 319 pp., 9 pls.

    Thompson, J.D., Higgins, D.G. & Gibson, T.J. (1994) CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, positionspecific gap penalties and weight matrix choice. Nucleic Acids Research, 22 (22), 4673–4680.

    https://doi.org/10.1093/nar/22.22.4673

    Verseveldt, J. (1969) Octocorallia from north-western Madagascar (part 1). Zoologische Verhandelingen/uitgegeven door het Rijksmuseum van Natuurlijke Historie te Leiden, 109, 3–38, 7 pls.

    Verseveldt, J. (1971) Octocorallia from north-western Madagascar (Part 2). Zoologische Verhandelingen / uitgegeven door het Rijksmuseum van Natuurlijke Historie te Leiden, 117, 1–73, pls. 1–15.

    Wright, E.P. & Studer, T. (1889) Report on the Alcyonaria collected by H.M.S. “Challenger” during the years 1873–1876. Report on the Scientific Results of the Exploring Voyage of H.M.S. Challenger 1873–76, Zoology, 31, i–lxxvii + 1–134, pls. 1–43.