Abstract
Two new species of Hydroidomedusae, Parateclaia norvegica sp.nov. and Foersteria quadrata sp.nov., are described from specimens collected in Korsfjorden, western Norway. Neither genus has previously been observed in the North-Atlantic Ocean. The closest congenerics to the new species occur in the Mediterranean, where family Teclaiidae has been considered endemic. P. norvegica and F. quadrata were only collected at sites 500 m or deeper and are possibly deep-water benthopelagic species like their congenerics elsewhere. Sampling took place for the entire year 2003 at 2- to 4-week intervals. F. quadrata, the more numerous of the new species, was absent from the water column only during the spring months, the implications of which regarding its lifecycle are discussed. Hypotheses on speciation in the Foersteria species group and family Teclaiidae are shortly discussed.
Similar content being viewed by others
References
Angel MV (1990) Life in the benthic boundary layer: connections to the mid-water and sea floor. Philos Trans R Soc Lond A 331:15–28
Boero F, Bouillon J, Gravili C (1991) The life cycle of Hydrichthys minus (Cnidaria: Hydrozoa: Anthomedusae: Pandeidae). Zool J Linn Soc 101:189–199
Bouillon J, Boero F (2000) Phylogeny and classification of Hydroidomedusae. Thalassia Salentina 24:1–296
Bouillon J, Pagès F, Gili J-M, Palanques A, Puig P, Heussner S (2000) Deep-water hydromedusae from the Lacaze-Duthiers submarine canyon (Banyuls, northwestern Mediterranean) and description of two new genera, Guillea and Parateclaia. Sci Mar 64:87–95
Bouillon J, Pagès F, Gili J-M (2001) New species of benthopelagic hydromedusae from the Weddell Sea. Polar Biol 24:839–845
Bouillon J, Medel MD, Pagès F, Gili JM, Boero F, Gravili C (2004) Fauna of the Mediterranean Hydrozoa. Sci Mar 68:5–438
Bucklin A, Kaartvedt S, Guarnieri M, Goswami U (2000) Population genetics of drifting (Calanus spp.) and resident (Acartia clausi) plankton in Norwegian fjords. J Plankton Res 22:1237–1251
Childress JJ, Gluck DL, Carney RS, Gowing MM (1989) Benthopelagic biomass distribution and oxygen consumption in a deep-sea benthic boundary layer dominated by gelatinous organisms. Limnol Oceanogr 34:913–930
Gili J-M, Bouillon J, Pagès F, Palanques A, Puig P, Heussner S (1998) Origin and biogeography of the deep-water Mediterranean Hydromedusae including the description of two new species collected in submarine canyons of Northwestern Mediterranean. Sci Mar 62:113–134
Gili J-M, Bouillon J, Pagès F, Palanques A, Puig P (1999) Submarine canyons as habitats of prolific plankton populations: three new deep-sea Hydromedusae in the western Mediterranean. Zool J Linn Soc 125:313–329
Gili J-M, Pagès F, Bouillon J, Palanques A, Puig P, Heussner S, Calafat A, Canals M, Monaco A (2000) A multidisciplinary approach to the understanding of hydromedusan populations inhabiting Mediterranean submarine canyons. Deep Sea Res I 47:1513–1533
Gorsky G, Flood PR, Youngbluth M, Picheral M, Grisoni J-M (2000) Zooplankton distribution in four Western Norwegian fjords. Estuar Coast Shelf Sci 50:129–135
Hartman O, Emery KO (1956) Bathypelagic coelenterates. Limnol Oceanogr 1:304–312
Heimdal BR, Reisegg AB (1996) Phytoplankton surveys of Korsfjorden, western Norway, in 1978–1984. Biomass, productivity and species composition. IFM Rapp 1:1–38
Kaartvedt S (1993) Drifting and resident plankton. Bull Mar Sci 53:154–159
Kramp PL (1937) Polyppdyr (Coelenterata) II. Gopler. Danmarks fauna 43. G. E. C. Gads forlag, Copenhagen
Kramp PL (1959) The hydromedusae of the Atlantic Ocean and adjacent waters. Dana Rep 46:1–283
Kramp PL, Damas D (1925) Les Méduses de la Norvège. Introduction et Partie spéciale I. Vidensk Medd Dan Nat hist Foren Kbh 80:217–323
Larson RJ, Mills CE, Harbison GR (1991) Western Atlantic midwater hydrozoan and scyphozoan medusae: in situ studies using manned submersibles. Hydrobiologia 216/217:311–317
Larson RJ, Matsumoto GI, Madin LP, Lewis LM (1992) Deep-sea benthic and benthopelagic medusae: recent observations from submersibles and a remotely operated vehicle. Bull Mar Sci 51:277–286
Mackie GO (1985) Midwater macroplankton of British Columbia studied by submersible PISCES IV. J Plankton Res 7:753–777
Matsumoto GI, Baxter C, Chen EH (1997) Observations of the deep-sea trachymedusa Benthocodon pedunculata. Invertebr Biol 116:17–25
Matthews JBL, Sands NJ (1973) Ecological studies on the deep-water pelagic community of Korsfjorden, western Norway: the topography of the area and its hydrography in 1968–1972, with a summary of the sampling programmes. Sarsia 52:29–52
Mills CE, Pugh PR, Harbison GR, Haddock SHD (1996) Medusae, siphonophores and ctenophores of the Alborán Sea, south western Mediterranean. Sci Mar 60:145–163
Smith JKL (1982) Zooplankton of a bathyal benthic boundary layer: In situ rates of oxygen consumption and ammonium excretion. Limnol Oceanogr 27:361–471
UNESCO (1968) Monographs on oceanographic methodology: zooplankton sampling. UNESCO, Paris
van der Spoel S (1996) A hypothesis on Mesozoic vicariance in Hydromedusae. J Plankton Res 18:615–634
Wassmann P (1984) Sedimentation and benthic mineralization of organic detritus in a Norwegian fjord. Mar Biol 83:83–94
Wishner KF (1980) The biomass of the deep-sea benthopelagic plankton. Deep-Sea Res 27A:203–216
Wrobel D, Mills C (1998) Pacific Coast pelagic invertebrates—a guide to the common gelatinous animals, 2nd edn. Sea Challengers and the Monterey Bay Aquarium, California
Acknowledgments
This investigation was supported by the Research Council of Norway (project no. 146994/120). We would also like to thank Monica Martinussen, Tomas Sørlie and the crew of R/V Hans Brattsröm for their help during sampling.
Author information
Authors and Affiliations
Corresponding author
Additional information
Communicated by S.A. Poulet, Roscoff.
Rights and permissions
About this article
Cite this article
Hosia, A., Pagès, F. Unexpected new species of deep-water Hydroidomedusae from Korsfjorden, Norway. Mar Biol 151, 177–184 (2007). https://doi.org/10.1007/s00227-006-0466-2
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00227-006-0466-2