Ontogenetic dietary shifts of the medusa Rhizostoma pulmo (Cnidaria: Scyphozoa)
Identifying ontogenetic changes in jellyfish diet is fundamental to understand trophic interactions during their life cycle. Scyphomedusae blooms exert major predation pressure on plankton communities, although their role in ecosystems has long been misrepresented. This study assesses seasonal and o...
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| Veröffentlicht in: | Hydrobiologia 2022-07, Vol.849 (13), p.2933-2948 |
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| creator | Leoni, Valentina Molinero, Juan Carlos Crochemore, Sandrine Meffre, Marie Bonnet, Delphine |
| description | Identifying ontogenetic changes in jellyfish diet is fundamental to understand trophic interactions during their life cycle. Scyphomedusae blooms exert major predation pressure on plankton communities, although their role in ecosystems has long been misrepresented. This study assesses seasonal and ontogenetic changes in the diet of the scyphomedusa
Rhizostoma pulmo
, one of the largest yet overlooked Mediterranean jellyfish. Medusae gut contents (
n
= 127) were collected during one year in Bages Sigean lagoon, southern France. Results show that the diet composition differs from the availability of prey in the environment with contrasting preferences along ontogeny. Calanoid (70%) and harpacticoid (45.8%) copepods were the most frequent prey and the major carbon contributors for small medusae (bell diameter 15 cm), which obtain most of their carbon intake from ciliates and fish eggs (20.9%). The overall impact on micro and mesozooplankton showed that small medusae consume 5% of the copepods daily standing stock, while large medusae consumed 8% of ciliates daily standing stock. Our results stress that
R. pulmo
display different trophic pathways along its life cycle, firstly interacting with the classical food web, and shifting afterwards to a greater interaction with the microbial loop. |
| doi_str_mv | 10.1007/s10750-022-04903-y |
| format | Article |
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Rhizostoma pulmo
, one of the largest yet overlooked Mediterranean jellyfish. Medusae gut contents (
n
= 127) were collected during one year in Bages Sigean lagoon, southern France. Results show that the diet composition differs from the availability of prey in the environment with contrasting preferences along ontogeny. Calanoid (70%) and harpacticoid (45.8%) copepods were the most frequent prey and the major carbon contributors for small medusae (bell diameter < 15 cm). In contrast, ciliates (43.5%) were the most frequent prey for large organisms (> 15 cm), which obtain most of their carbon intake from ciliates and fish eggs (20.9%). The overall impact on micro and mesozooplankton showed that small medusae consume 5% of the copepods daily standing stock, while large medusae consumed 8% of ciliates daily standing stock. Our results stress that
R. pulmo
display different trophic pathways along its life cycle, firstly interacting with the classical food web, and shifting afterwards to a greater interaction with the microbial loop.</description><identifier>ISSN: 0018-8158</identifier><identifier>EISSN: 1573-5117</identifier><identifier>DOI: 10.1007/s10750-022-04903-y</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Abundance ; Animal biology ; Aquatic crustaceans ; Biomedical and Life Sciences ; Blooms ; Carbon ; Ciliates ; Cnidaria ; Copepoda ; Diet ; Ecology ; Ecosystems ; Fish ; Fish eggs ; Food chains ; Food chains (Ecology) ; Food webs ; Freshwater & Marine Ecology ; Interspecific relationships ; Invertebrate Zoology ; Lagoons ; Life cycle ; Life cycles ; Life Sciences ; Marine invertebrates ; Microorganisms ; Ontogeny ; Plankton ; Predation ; Prey ; Primary Research Paper ; Rhizostoma pulmo ; Trophic relationships ; Zoology ; Zooplankton</subject><ispartof>Hydrobiologia, 2022-07, Vol.849 (13), p.2933-2948</ispartof><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022</rights><rights>COPYRIGHT 2022 Springer</rights><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c498t-963c0b3ce546051993bd6b71ee40f134b582d73992ff3ec8620539e7f9e253a33</citedby><cites>FETCH-LOGICAL-c498t-963c0b3ce546051993bd6b71ee40f134b582d73992ff3ec8620539e7f9e253a33</cites><orcidid>0000-0002-8015-8347 ; 0000-0003-2543-1897 ; 0000-0002-2040-1800 ; 0000-0003-0250-490X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10750-022-04903-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10750-022-04903-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://hal.science/hal-04756108$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Leoni, Valentina</creatorcontrib><creatorcontrib>Molinero, Juan Carlos</creatorcontrib><creatorcontrib>Crochemore, Sandrine</creatorcontrib><creatorcontrib>Meffre, Marie</creatorcontrib><creatorcontrib>Bonnet, Delphine</creatorcontrib><title>Ontogenetic dietary shifts of the medusa Rhizostoma pulmo (Cnidaria: Scyphozoa)</title><title>Hydrobiologia</title><addtitle>Hydrobiologia</addtitle><description>Identifying ontogenetic changes in jellyfish diet is fundamental to understand trophic interactions during their life cycle. Scyphomedusae blooms exert major predation pressure on plankton communities, although their role in ecosystems has long been misrepresented. This study assesses seasonal and ontogenetic changes in the diet of the scyphomedusa
Rhizostoma pulmo
, one of the largest yet overlooked Mediterranean jellyfish. Medusae gut contents (
n
= 127) were collected during one year in Bages Sigean lagoon, southern France. Results show that the diet composition differs from the availability of prey in the environment with contrasting preferences along ontogeny. Calanoid (70%) and harpacticoid (45.8%) copepods were the most frequent prey and the major carbon contributors for small medusae (bell diameter < 15 cm). In contrast, ciliates (43.5%) were the most frequent prey for large organisms (> 15 cm), which obtain most of their carbon intake from ciliates and fish eggs (20.9%). The overall impact on micro and mesozooplankton showed that small medusae consume 5% of the copepods daily standing stock, while large medusae consumed 8% of ciliates daily standing stock. Our results stress that
R. pulmo
display different trophic pathways along its life cycle, firstly interacting with the classical food web, and shifting afterwards to a greater interaction with the microbial loop.</description><subject>Abundance</subject><subject>Animal biology</subject><subject>Aquatic crustaceans</subject><subject>Biomedical and Life Sciences</subject><subject>Blooms</subject><subject>Carbon</subject><subject>Ciliates</subject><subject>Cnidaria</subject><subject>Copepoda</subject><subject>Diet</subject><subject>Ecology</subject><subject>Ecosystems</subject><subject>Fish</subject><subject>Fish eggs</subject><subject>Food chains</subject><subject>Food chains (Ecology)</subject><subject>Food webs</subject><subject>Freshwater & Marine Ecology</subject><subject>Interspecific relationships</subject><subject>Invertebrate Zoology</subject><subject>Lagoons</subject><subject>Life cycle</subject><subject>Life cycles</subject><subject>Life Sciences</subject><subject>Marine invertebrates</subject><subject>Microorganisms</subject><subject>Ontogeny</subject><subject>Plankton</subject><subject>Predation</subject><subject>Prey</subject><subject>Primary Research Paper</subject><subject>Rhizostoma pulmo</subject><subject>Trophic relationships</subject><subject>Zoology</subject><subject>Zooplankton</subject><issn>0018-8158</issn><issn>1573-5117</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kVFr2zAQx83YYFm3L7AnwV6WB3cnybKsvYWwtYVAoN2ehSKfYpXYyix5LP30VeexEhiTHgTH7yfu7l8U7ylcUgD5KVKQAkpgrIRKAS9PL4oFFZKXglL5slgA0KZsqGheF29ivIcsKQaLYrsdUtjjgMlb0npMZjyR2HmXIgmOpA5Jj-0UDbnt_EOIKfSGHKdDH8jH9eBbM3rzmdzZ07ELD8Es3xavnDlEfPfnvSi-f_3ybX1dbrZXN-vVprSValKpam5hxy2KqgZBleK7tt5JiliBo7zaiYa1kivFnONom5qB4AqlU8gEN5xfFMv5384c9HH0fe5bB-P19Wqjn2pQSVFTaH7SzH6Y2eMYfkwYk74P0zjk9jSrZaOafMQztTcH1H5wIY3G9j5avZJ5WxWVHDJ1-Q8q3xZ7b8OAzuf6mbA8EzKT8FfamylGfXN3e86ymbVjiHFE93cyCvopZz3nrHPO-nfO-pQlPksxw8Mex-fp_mM9AhrFpxw</recordid><startdate>20220701</startdate><enddate>20220701</enddate><creator>Leoni, Valentina</creator><creator>Molinero, Juan Carlos</creator><creator>Crochemore, Sandrine</creator><creator>Meffre, Marie</creator><creator>Bonnet, Delphine</creator><general>Springer International Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>3V.</scope><scope>7QG</scope><scope>7QH</scope><scope>7SN</scope><scope>7SS</scope><scope>7U7</scope><scope>7UA</scope><scope>88A</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>RC3</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-8015-8347</orcidid><orcidid>https://orcid.org/0000-0003-2543-1897</orcidid><orcidid>https://orcid.org/0000-0002-2040-1800</orcidid><orcidid>https://orcid.org/0000-0003-0250-490X</orcidid></search><sort><creationdate>20220701</creationdate><title>Ontogenetic dietary shifts of the medusa Rhizostoma pulmo (Cnidaria: Scyphozoa)</title><author>Leoni, Valentina ; 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Scyphomedusae blooms exert major predation pressure on plankton communities, although their role in ecosystems has long been misrepresented. This study assesses seasonal and ontogenetic changes in the diet of the scyphomedusa
Rhizostoma pulmo
, one of the largest yet overlooked Mediterranean jellyfish. Medusae gut contents (
n
= 127) were collected during one year in Bages Sigean lagoon, southern France. Results show that the diet composition differs from the availability of prey in the environment with contrasting preferences along ontogeny. Calanoid (70%) and harpacticoid (45.8%) copepods were the most frequent prey and the major carbon contributors for small medusae (bell diameter < 15 cm). In contrast, ciliates (43.5%) were the most frequent prey for large organisms (> 15 cm), which obtain most of their carbon intake from ciliates and fish eggs (20.9%). The overall impact on micro and mesozooplankton showed that small medusae consume 5% of the copepods daily standing stock, while large medusae consumed 8% of ciliates daily standing stock. Our results stress that
R. pulmo
display different trophic pathways along its life cycle, firstly interacting with the classical food web, and shifting afterwards to a greater interaction with the microbial loop.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10750-022-04903-y</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0002-8015-8347</orcidid><orcidid>https://orcid.org/0000-0003-2543-1897</orcidid><orcidid>https://orcid.org/0000-0002-2040-1800</orcidid><orcidid>https://orcid.org/0000-0003-0250-490X</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Abundance Animal biology Aquatic crustaceans Biomedical and Life Sciences Blooms Carbon Ciliates Cnidaria Copepoda Diet Ecology Ecosystems Fish Fish eggs Food chains Food chains (Ecology) Food webs Freshwater & Marine Ecology Interspecific relationships Invertebrate Zoology Lagoons Life cycle Life cycles Life Sciences Marine invertebrates Microorganisms Ontogeny Plankton Predation Prey Primary Research Paper Rhizostoma pulmo Trophic relationships Zoology Zooplankton |
| title | Ontogenetic dietary shifts of the medusa Rhizostoma pulmo (Cnidaria: Scyphozoa) |
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