Hostname: page-component-586b7cd67f-gb8f7 Total loading time: 0 Render date: 2024-11-26T03:03:29.043Z Has data issue: false hasContentIssue false
  • English
  • Français

The hydranth of Salacia tetracythara (Cnidaria: Hydrozoa: Sertulariidae) and its modified tentacles

Published online by Cambridge University Press:  18 December 2008

Nicole Gravier-Bonnet
Nicole Gravier-Bonnet*
Affiliation:
Laboratoire d'Ecologie Marine, Faculté des Sciences et Technologies, Université de La Réunion, 15 Avenue René Cassin—BP 7151, 97715 Saint-Denis messag cedex 9—La Réunion, France
*
Correspondence should be addressed to: N. Gravier-Bonnet, Laboratoire d'Ecologie Marine, Faculté des Sciences et Technologies Université de La Réunion, 15 Avenue René Cassin—BP 7151 97715 Saint-Denis messag cedex 9—La Réunion, France email: [email protected]
Get access Rights & Permissions [Opens in a new window]

Abstract

Study of living colonies of Salacia tetracythara Lamouroux, 1816, led to an accurate description of the hydranths and adjoining tissues. A mantle is reported for the first time for this species, lining stem, hydrocladia and hydrotheca. An adcauline nematocyst clump located in the median part of the column, composed of large microbasic mastigophores, is also reported as a new structure for sertulariids. The hypothetical modified tentacles noted by Billard (1925) are confirmed and re-described. Among the 22–28 tentacles of the hydranth in a circlet, two exhibit nematocyst-bearing organs connected at base. These organs are massive, racket-shaped, refringent, and composed of large microbasic mastigophores. They do not affect the tentacles in respect of their general shape and behaviour. One nematocyst-bearing organ can sometimes be linked to more than one tentacle depending on its size. The abcauline position of the two modified tentacles imparts a strong bilateral symmetry to the hydranth. This location explains why only one modified tentacle was previously described from preserved material, the second being hidden by the first when hydranths are retracted inside the hydrotheca. The modified tentacles of S. tetracythara are compared with the nematodactyls of the genus Nemalecium, with the ligula found in several sertulariid species, and with nematophores described in other thecate families. Beside remarks on species taxonomy and distribution, incitation is given to the study, with emphasis especially on hydranths.

Keywords

HydrozoaSertulariidaeSalacia tetracytharahydranthtentaclesligulamantlenematocysts clusternematophorestaxonomy
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 88 , Special Issue 8: Hydrozoans , December 2008 , pp. 1723 - 1729
Copyright
Copyright © Marine Biological Association of the United Kingdom 2008

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Allman, G.J. (1888) Report on the Hydroida dredged by H.M.S. Challenger during the years 1873–76. Part II. The Tubularinae, Corymorphinae, Campanularinae, Sertularinae, and Thalamophora. Report on the Scientific Results of the Voyage of H.M.S. Challenger, Zoology 23, 1–90.Google Scholar
Bale, W.M. (1884) Catalogue of the Australian hydroid zoophytes. Sydney: Australian Museum, 198 pp, 19 pls.CrossRefGoogle Scholar
Bale, W.M. (1888) On some new and rare Hydroida in the Australian Museum collection. Proceedings of the Linnean Society of New South Wales 3, 745–799.Google Scholar
Bale, W.M. (1894) Further notes on Australian hydroids with descriptions of some new species. Proceedings of the Royal Society of Victoria, New Series 6, 93–117, pl. 3–6.Google Scholar
Bartlett, G.C. (1907) Notes on Hydroids zoophytes. Geelong Naturalist 3, 60–66, 2 pl.Google Scholar
Bedot, M. (1901) Matériaux pour servir à l'histoire des Hydroïdes. 1re période. Revue Suisse de Zoologie 9, 379–515.Google Scholar
Bedot, M. (1925) Matériaux pour servir à l'histoire des Hydroïdes. 7e période (1901–1910). Revue Suisse de Zoologie 32, 1–657.Google Scholar
Billard, A. (1909a) Sur les Hydroïdes de la collection Lamouroux. Comptes Rendus de l'Académie des Sciences 148, 1063–1065.Google Scholar
Billard, A. (1909b) Révision des espèces types d'Hydroïdes de la collection Lamouroux conservée à l'Institut Botanique de Caen. Annales des Sciences Naturelles (Zoologie), 9, 307–336.Google Scholar
Billard, A. (1924) Note critique sur divers genres et espèces d'Hydroïdes avec la description de trois espèces nouvelles. Revue Suisse de Zoologie 32, 53–74.Google Scholar
Billard, A. (1925) Les Hydroïdes de l'expédition du ‘Siboga’. II Synthecidae et Sertularidae. Siboga-Expeditie, Monographie 7b, 117–232.Google Scholar
Bouillon, J. (1986) Nemalecium gen. nov., genre nouveau de Haleciidae (Thecatae–Leptomedusae, Hydrozoa, Cnidaria). Indo-Malayan Zoology 3, 71–80.Google Scholar
Bouillon, J., Gravili, C., Pagès, F., Gili, J.-M. and Boero, F. (2006) An introduction to Hydrozoa. Mémoires du Muséum National d'Histoire Naturelle de Paris 194, 591pp.Google Scholar
Broch, H. (1918) Hydroida (Part II). Danish Ingolf Expedition 5, 1–206.Google Scholar
Busk, G. (1852) An account of the polyzoa and sertularian zoophytes, collected in the voyage of ‘Rattlesnake’ on the coasts of Australia and the Louisiade Archipelago. In MacGillivray, J. (ed.) Narrative of the Voyage of H.M.S. Rattlesnake commanded by the late Captain O. Stanley during the years 1846–1850, Volume 1 Appendix IV. London: T. & W. Boone, pp. 343–402.Google Scholar
Calder, D.R. (1991) Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. Life Sciences Contributions of the Royal Ontario Museum 154, 1–140.Google Scholar
von Campenhausen, B. (1896) Hydroiden von Ternate. Abhandlungen Herausggeben von der Senckenbergischen Naturforschenden Gesellschaft 23, 297–321.Google Scholar
Cornelius, P.F.S. (1995) North-west European thecate hydroids and their medusae. Part 2. Barnes, R.S.K. and Crothers, J.H. (eds) Synopsis of the British Fauna (New Series) 50. Field Studies Council for the Linnean Society of London and Estuarine and Coastal Sciences Association, Shrewsbury, pp. 1–386.Google Scholar
Cornelius, P.F.S. (1998) Taxonomic characters from the hydranths of live thecate hydroids: European Haleciidae (Cnidaria: Leptothecatae). Zoologische Verhandelingen, Leiden 323, 79–97.Google Scholar
Dawydoff, C. (1952) Contribution à l'étude de la faune marine benthique de l'Indochine. Bulletin Biologique de la France et de la Belgique 37(Supplement), 1–158 (Coelenterata: 52–78).Google Scholar
Deslongchamps, E. (1824) Cited in Lamouroux et al., 1824.Google Scholar
Gibbons, M.J. and Ryland, J.S. (1989) Intertidal and shallow water hydroids from Fiji. I. Athecata to Sertulariidae. Memoirs of the Queensland Museum 27, 377–432.Google Scholar
Gravier-Bonnet, N. (2004) Hydroid nematophores types: morphological, structural and behavioural differences, from old knowledge and new data. Hydrobiologia 530/531, 365–372.Google Scholar
Gravier-Bonnet, N. (2006) Hydroids of New Caledonia from literature study. In Payri, C. and Richer de Forges, B. (eds) Compendium of marine species from New Caledonia, Documents Scientifiques et Techniques IRD II7, 117–123.Google Scholar
Gravier-Bonnet, N. (2008) Polymorphism in hydroids: the extensible polyp of Halecium halecinum (Linnaeus, 1758) (Cnidaria, Hydrozoa, Haleciidae). Journal of the Marine Biological Association of the United Kingdom, special issue Hydrozoa, this volume.CrossRefGoogle Scholar
Gravier-Bonnet, N. and Bonnet, B. (2000) Contribution of studies on live to estimate hydroid biodiversity in coral reefs. Proceedings of the 9th International Coral Reef Symposium, Bali, 23–27 October, Abstract, p. 145.Google Scholar
Hartlaub, C. (1901) Revision der Sertularella Arten. Abhandlungen aus dem Gebiet des Naturwissenschaftlichen Hamburg 16, 1–143.Google Scholar
Hartlaub, C. (1905) Die Hydroiden der Magalhaensischen Region und chilenischen Küste. Zoologische Jahrbücher Supplement 6, 497–714.Google Scholar
Hirohito Emperor of Japan (1995) The Hydroids of Sagami Bay II Thecata. Tokyo: Biological Laboratory Imperial Household, pp. 1–355, pl. 1–13.Google Scholar
Kirkpatrick, R. (1890) Reports on the zoological collection made in Torres Strait by Professor A.C. Haddon, 1888–1889. Hydroida and Polyzoa. Scientific Proceedings of the Royal Dublin Society 6, 14–17.Google Scholar
Lamouroux, J.V.F. (1816) Histoire des Polypiers coralligènes flexibles, vulgairement nommés Zoophytes. Caen: F, Poisson, 559 pp.CrossRefGoogle Scholar
Lamouroux, J.V.F. (1821) Exposition méthodique des genres de l'ordre des polypiers avec leur description et celle des principales espèces, figurées dans 84 planches, les 63 premières appartenant à l'histoire des zoophytes d'Ellis et Solander. Paris: Agasse, pp 1–115.Google Scholar
Lamouroux, J.V.F., Bory de St Vincent, J.B. and Deslongchamps, E.D. (1824) Histoire naturelle des Zoophytes ou animaux rayonnés. In Encyclopédie méthodique, volume 2 1. Paris: Agasse.Google Scholar
Leloup, E. (1937) Hydropolypes et Scyphopolypes recueillis par C. Dawydoff sur les côtes de l'Indochine française. Mémoires du Musée Royal d'Histoire Naturelle de Belgique 2, 1–73.Google Scholar
Levinsen, G.M.R. (1913) Systematic studies on the Sertulariidae. Videnskabelige Meddelesler fra Dansk Naturhistorik Forening 64, 249–323.Google Scholar
Mammen, T.A. (1965) On a collection of hydroids from South India. II Suborder Thecata (excluding Family Plumulariidae). Journal of the Marine Biological Association of India 7, 1–57.Google Scholar
Migotto, A.E. (1996) Benthic shallow-water hydroids (Cnidaria, Hydrozoa) of the coast of Sao Sebastiao, Brazil, including a checklist of Brasilian hydroids. Zoologische Verhandelingen, Leiden 306, 1–125.Google Scholar
Millard, N.A.H. (1975) Monograph on the Hydroida of Southern Africa. Annals of the South African Museum 68, 1–513.Google Scholar
Naumov, D.V. (1960) Hydroids and Hydromedusae of the USSR. Israel Program for Scientific Translations Jerusalem, 1969, 660 pp.Google Scholar
Nutting, C.C. (1904) American hydroids. Part II. The Sertulariidae. Special Bulletin of the Smithsonian Institution 4, 1–144.Google Scholar
Nutting, C.C. (1905) Hydroids of the Hawaiian Islands collected by the steamer Albatross in 1902. Bulletin of the United States Fish Commission 23, 931–959.Google Scholar
Pennycuik, P.R. (1959) Faunistic records from Queensland. Part V. Marine and brackish water hydroids. University of Queensland Papers, Department of Zoology 1, 141–210.Google Scholar
Rédier, L. (1966) Hydraires et Bryozoaires. Cahiers du Pacifique 9, 77–122.Google Scholar
Rees, W.J. and Vervoort, W. (1987) Hydroids from the John Murray Expedition to the Indian Ocean, with revisory notes on Hydrodendron, Abietinella, Cryptolaria and Zygophylax (Cnidaria: Hydrozoa). Zoologische Verhandelingen, Leiden 237, 1–209.Google Scholar
Schuchert, P. (2003) Hydroids (Cnidaria, Hydrozoa) of the Danish expedition to the Kei Islands. Steenstrupia 27, 137–256.Google Scholar
Stechow, E. (1922) Zur Systematik der Hydrozoen, Stromatoporen, Siphonophoren, Anthozoen und Ctenophoren. Archiv für Natugeschichte 88, 141–155.Google Scholar
Stechow, E. (1923) Zur Kenntnis der Hydroidenfauna des Mittelmeeres, Amerikas und anderer Gebiete. II Teil. Zoologischer Jahrbücher (Systematik) 47, 29–270.Google Scholar
Schweigger, A.F. (1820) Handbuch der Naturgeschichte der Skelettlosen Ungegliederten Thiere. Liepzig.CrossRefGoogle Scholar
Thornely, L.A. (1904) Report on the Hydroida collected by Professor Herdman, at Ceylon, in 1902. In Herdman, W.A. (ed.) Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar 2 (Supplement 8), 107–126.Google Scholar
Thornely, L.A. (1916) Report on the Hydroida collected by Mr. James Hornell at Okhamandal in Kattiawar in 1905–6. Report of the Government of Baroda on the Marine Zoology of Okhamandal 2, 147–150.Google Scholar
Van Praët, M. (1979) Les types de polypes d'Hydraires conservés au Muséum national d'Histoire naturelle de Paris. Bulletin du Muséum d'Histoire Naturelle de Paris, 4e série, 1, 871–940.CrossRefGoogle Scholar
Watson, J. (2000) Hydroids (Hydrozoa: Leptothecatae) from the Beagle Gulf and Darwin Harbour, northern Australia. The Beagle, Records of the Museum and Art Gallery of the Northern Territories 16, 1–82.Google Scholar