Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean

Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean

12 pages, 2 figures, 6 tables, supplemental material http://plankt.oxfordjournals.org/content/38/5/1243/suppl/DC1

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Main Authors: Tilves, Uxue, Purcell, Jennifer E., Fuentes, Veronica, Torrents Díguele, Anna, Pascual, María, Raya, Vanesa, Gili, Josep Maria, Sabatés, Ana
Format: artículo biblioteca
Published: Oxford University Press 2016-09
Subjects:Jellyfish, Ichthyoplankton, Diet, Predation, Competition,
Online Access:http://hdl.handle.net/10261/137925
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spelling dig-icm-es-10261-1379252019-10-03T08:51:33Z Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean Tilves, Uxue Purcell, Jennifer E. Fuentes, Veronica Torrents Díguele, Anna Pascual, María Raya, Vanesa Gili, Josep Maria Sabatés, Ana Jellyfish Ichthyoplankton Diet Predation Competition 12 pages, 2 figures, 6 tables, supplemental material http://plankt.oxfordjournals.org/content/38/5/1243/suppl/DC1 Jellyfish are important predators of fish eggs and larvae and predation is believed to be the main factor determining fish recruitment. The diet of different life stages of Pelagia noctiluca and their potential predation impact on ichthyoplankton were investigated in the NW Mediterranean Sea. In June, the spatial distribution of jellyfish and fish larvae, particularly those of anchovy, overlapped in the study area. Gut content analyses showed relatively high abundance of ichthyoplankton in large medusae, while siphonophores were the most numerous prey of ephyrae. Gut contents, digestion times (DT), and prey and predator abundances were used to estimate predation effects (% of standing stock consumed time−1) of P. noctiluca. Medusae consumed 0.1–0.9% h−1 of the anchovy larvae, while ephyrae consumed 1.5–2.7% h−1 of all fish larvae and 1.5–10.4% h−1 of anchovy larvae. We estimate that medusae and ephyrae consumed 0.02–3.2% h−1 and 0.4–7.1% h−1 of fish eggs, respectively. P. noctiluca can reach extremely high numbers and in a bloom situation it can be an important predator of fish larvae, in particular anchovy. Hence it may play an important role in the planktonic food web with a possible impact on anchovy populations Supported by the project MAR-CTM2010-18874 Peer Reviewed 2016-10-10T08:06:15Z 2016-10-10T08:06:15Z 2016-09 2016-10-10T08:06:17Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1093/plankt/fbw059 issn: 0142-7873 e-issn: 1464-3774 Journal of Plankton Research 38(5): 1243-1254 (2016) http://hdl.handle.net/10261/137925 10.1093/plankt/fbw059 https://dx.doi.org/10.1093/plankt/fbw059 Sí none Oxford University Press
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
topic Jellyfish
Ichthyoplankton
Diet
Predation
Competition
Jellyfish
Ichthyoplankton
Diet
Predation
Competition
spellingShingle Jellyfish
Ichthyoplankton
Diet
Predation
Competition
Jellyfish
Ichthyoplankton
Diet
Predation
Competition
Tilves, Uxue
Purcell, Jennifer E.
Fuentes, Veronica
Torrents Díguele, Anna
Pascual, María
Raya, Vanesa
Gili, Josep Maria
Sabatés, Ana
Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean
description 12 pages, 2 figures, 6 tables, supplemental material http://plankt.oxfordjournals.org/content/38/5/1243/suppl/DC1
format artículo
topic_facet Jellyfish
Ichthyoplankton
Diet
Predation
Competition
author Tilves, Uxue
Purcell, Jennifer E.
Fuentes, Veronica
Torrents Díguele, Anna
Pascual, María
Raya, Vanesa
Gili, Josep Maria
Sabatés, Ana
author_facet Tilves, Uxue
Purcell, Jennifer E.
Fuentes, Veronica
Torrents Díguele, Anna
Pascual, María
Raya, Vanesa
Gili, Josep Maria
Sabatés, Ana
author_sort Tilves, Uxue
title Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean
title_short Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean
title_full Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean
title_fullStr Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean
title_full_unstemmed Natural diet and predation impacts of Pelagia noctiluca on fish eggs and larvae in the NW Mediterranean
title_sort natural diet and predation impacts of pelagia noctiluca on fish eggs and larvae in the nw mediterranean
publisher Oxford University Press
publishDate 2016-09
url http://hdl.handle.net/10261/137925
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