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Article

Asexual Reproduction and Strobilation of Sanderia malayensis (Scyphozoa, Pelagiidae) in Relation to Temperature: Experimental Evidence and Implications

1
Department of Life Science, University of Trieste, Via L. Giorgieri 10, 34127 Trieste, Italy
2
National Institute of Oceanography and Applied Geophysics—OGS, 34151 Trieste, Italy
*
Author to whom correspondence should be addressed.
Equal contribution as first author.
Diversity 2021, 13(2), 37; https://doi.org/10.3390/d13020037
Received: 18 November 2020 / Revised: 16 January 2021 / Accepted: 18 January 2021 / Published: 21 January 2021
(This article belongs to the Special Issue Patterns and Ecology of Jellyfish in Marine Environment)
Sanderia malayensis is a scyphozoan species present in the Indian and Pacific Oceans, ranging from the Suez Canal to Japan. Although this jellyfish is commonly kept in aquariums around the world, there is a knowledge gap regarding its biology and ecology, especially at the polyp stage. In this study, we tested the asexual reproductive activity of S. malayensis at three different temperatures: 10, 15 and 20 °C. Results showed significant increases of polyps at 15 and 20 °C, and a minimum at 10 °C, corresponding with daily budding rates of 6.61% ± 0.92%, 5.85% ± 2.36% and 0.66% ± 0.24%, respectively. Moreover, a second experiment was carried out to report about the ability of S. malayensis to prey on Aurelia solida at the ephyra stage. Unidirectional predation of S. malayensis ephyrae on A. solida and an absence of inverse predation was observed. These results could give new insights on the potential fitness and survival of this species if it will ever invade the Mediterranean Sea.
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Keywords: Sanderia malayensis; Aurelia solida; temperature; polyp; budding; ephyrae; jellyfish Sanderia malayensis; Aurelia solida; temperature; polyp; budding; ephyrae; jellyfish
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    Description: Supplementary Materials The following supporting information are available online: www.mdpi.com/xxx/s1, S1: GLMM description, formula, models’ estimated coefficients and effect sizes. www.mdpi.com/xxx/s2, S2: Video: predation of Sanderia malayensis ephyrae on Aurelia solida ephyrae.
MDPI and ACS Style

Avian, M.; Motta, G.; Prodan, M.; Tordoni, E.; Macaluso, V.; Beran, A.; Goruppi, A.; Bacaro, G.; Tirelli, V. Asexual Reproduction and Strobilation of Sanderia malayensis (Scyphozoa, Pelagiidae) in Relation to Temperature: Experimental Evidence and Implications. Diversity 2021, 13, 37. https://doi.org/10.3390/d13020037

AMA Style

Avian M, Motta G, Prodan M, Tordoni E, Macaluso V, Beran A, Goruppi A, Bacaro G, Tirelli V. Asexual Reproduction and Strobilation of Sanderia malayensis (Scyphozoa, Pelagiidae) in Relation to Temperature: Experimental Evidence and Implications. Diversity. 2021; 13(2):37. https://doi.org/10.3390/d13020037

Chicago/Turabian Style

Avian, Massimo, Gregorio Motta, Mattia Prodan, Enrico Tordoni, Vanessa Macaluso, Alfred Beran, Alenka Goruppi, Giovanni Bacaro, and Valentina Tirelli. 2021. "Asexual Reproduction and Strobilation of Sanderia malayensis (Scyphozoa, Pelagiidae) in Relation to Temperature: Experimental Evidence and Implications" Diversity 13, no. 2: 37. https://doi.org/10.3390/d13020037

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