Molecular approach indicates consumption of jellyfish by commercially important fish species in a coastal Mediterranean lagoon

Autor: Delphine Bonnet, Corinne Bouvier, Audrey M. Darnaude, Sandrine Crochemore, Raquel Marques
Přispěvatelé: MARine Biodiversity Exploitation and Conservation (UMR MARBEC), Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Ecosystèmes lagunaires : organisation biologique et fonctionnement (ECOLAG), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Centre National de la Recherche Scientifique (CNRS), Université de Bourgogne (UB), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut de Recherche pour le Développement (IRD)
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Marine Environmental Research (0141-1136) (Elsevier BV), 2019-12, Vol. 152, P. 104787 (7p.)
Marine Environmental Research
Marine Environmental Research, 2019, 152, pp.104787. ⟨10.1016/j.marenvres.2019.104787⟩
Marine Environmental Research, Elsevier science, 2019, 152, pp.104787. ⟨10.1016/j.marenvres.2019.104787⟩
ISSN: 0141-1136
1879-0291
DOI: 10.1016/j.marenvres.2019.104787⟩
Popis: Until recently, jellyfish have been ignored as an important source of food, due to their low nutritional value. Here, quantitative PCR was used to detect and quantify the DNA of the jellyfish Aurelia coerulea in the gut contents of commercially important fish species from the Thau Lagoon. Individuals from five fish species were collected during two different periods: the bloom period, when the pelagic stages of A. coerulea are abundant, and the post-bloom period, when only the benthic stage – polyps – is present in the lagoon. The DNA of A. coerulea was detected in the guts of 41.9% of the fish analysed, belonging to four different species. The eel Anguilla anguilla and the seabream Sparus aurata were important jellyfish consumers during the bloom and post-bloom periods, respectively. These results provide new insights on the potential control of jellyfish populations and on jellyfish importance as a food source for exploited fishes.
Databáze: OpenAIRE