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Kolbasova, G. D.; Zalevsky, A. O.; Gafurov, A. R.; Gusev, P. O.; Ezhova, M. A.; Zheludkevich, A. A.; Konovalova, O. P.; Kosobokova, K. N.; Kotlov, N. U.; Lanina, N. O.; Lapashina, A. S.; Medvedev, D. O.; Nosikova, K. S.; Nuzhdina, E. O.; Bazykin, G. A.; Neretina, T. V. (2015). A new species of Cyanea jellyfish sympatric to C. capillata in the White Sea. Polar Biology. 38(9): 1439-1451.
333105
10.1007/s00300-015-1707-y [view]
Kolbasova, G. D.; Zalevsky, A. O.; Gafurov, A. R.; Gusev, P. O.; Ezhova, M. A.; Zheludkevich, A. A.; Konovalova, O. P.; Kosobokova, K. N.; Kotlov, N. U.; Lanina, N. O.; Lapashina, A. S.; Medvedev, D. O.; Nosikova, K. S.; Nuzhdina, E. O.; Bazykin, G. A.; Neretina, T. V.
2015
A new species of Cyanea jellyfish sympatric to C. capillata in the White Sea
Polar Biology
38(9): 1439-1451
Publication
Available for editors [request]
Cyanea is a genus of large bloom-forming
scyphozoans, including some of the most conspicuous representatives
of megaplankton. Its taxonomy has been revised
repeatedly throughout the last century due to the fact that
most of the morphological characteristics of Cyanea species,
such as color, structure of gastrovascular system and number
of tentacles, may overlap greatly in different populations.
Here, we report a new species of Cyanea, Cyanea tzetlinii sp.
nov., from the White Sea, which is distinguishable from all
previously described Cyanea species by an eye-spot-bearing
bulb formed at the base of each rhopalium. This well-recognizable
morphological characteristic is supported at the
molecular level by a substantial genetic distance in mitochondrial
(CO1: 9.6–10.6 %, 16S RNA: 3.1–3.5 %) as well
as nuclear (ITS: 5.0 %, 18S RNA: 0.1 %) loci, making it the
sister species to Cyanea capillata. Taking into account the
young geological age of the White Sea and a substantial
genetic divergence between C. tzetlinii sp. nov. and the
nearest sister species, we suppose that C. tzetlinii sp. nov. has
been advected to the White Sea from elsewhere and may also
inhabit other Arctic seas. Past ecological studies in the White
Sea and possibly in other Arctic Seas could have conflated C.
tzetlinii sp. nov. with other species, which likely affected the
analyses.
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Cyanea tzetlinii Kolbasova & Neretina, 2015 (original description)