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Variation in lipid and free fatty acid content during spawning in two temperate octocorals with different reproductive strategies: surface versus internal brooder

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Abstract

This study investigates the energetic investment during spawning of two Mediterranean gorgonians characterized by different reproductive strategies: Corallium rubrum (internal brooder) and Paramuricea clavata (surface brooder). Sexual products (number of oocytes and spermatic sacs) were quantified, and biochemical characteristics (lipid content and free fatty acid content and composition) were determined to investigate the parental energetic investment and demand in reproduction. Results suggested that the majority of the energetic cost was due to reproductive activity (i.e., gametogenesis and spawning). The two species exhibited different life history strategies, with P. clavata investing more energy in reproduction than C. rubrum. However, P. clavata is reproductively more sensitive to inter-annual changes in environmental conditions.

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Acknowledgments

The authors wish to thank N. Moraleda for laboratory work and A. Sandu for help with English. N. Viladrich was funded by a FI AGAUR research grant (FI-2010-03824), S. Rossi by a Ramón y Cajal contract (RyC-2007-01327) and a Marie Curie International Outgoing Fellowship (Animal Forest Health, Grant Agreement Number 327845). This work was supported by the BENTOLARV project (CTM2009-10007). The authors want to thank the support of the Generalitat de Catalunya to MERS (2014 SGR-1356).

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  1. Institut de Ciència i Tecnologia Ambientals, Universitat Autònoma de Barcelona, Edifici Z Campus UAB, 08193, Cerdanyola Del Vallès, Spain

    Núria Viladrich, Blanca Chocarro & Sergio Rossi

  2. UPMC Univ Paris 06, CNRS, Laboratoire d’Ecogéochimie des Environnements Benthiques (LECOB), Observatoire Océanologique, Sorbonne Universités, 66650, Banyuls/Mer, France

    Lorenzo Bramanti

  3. Department of Biology, California State University, 18111 Nordhoff Street, Northridge, CA, 91330-8303, USA

    Lorenzo Bramanti

  4. Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta 37-49, 08003, Barcelona, Spain

    Georgios Tsounis, Angela Martínez-Quitana, Stefano Ambroso & Teresa Madurell

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Viladrich, N., Bramanti, L., Tsounis, G. et al. Variation in lipid and free fatty acid content during spawning in two temperate octocorals with different reproductive strategies: surface versus internal brooder. Coral Reefs 35, 1033–1045 (2016). https://doi.org/10.1007/s00338-016-1440-1

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