107 lines
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107 lines
12 KiB
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<document id="535BC271DCD9792CCD7E716DE0E21E04" ID-CLB-Dataset="28182" ID-DOI="http://dx.doi.org/10.3897/neobiota.26.8278" ID-GBIF-Dataset="9013d918-3f3b-4dbc-9352-fdfd4018e79d" ID-Pensoft-Pub="1314-2488--55" ID-ZooBank="A2518CB9092944AF9D01BDAD901D2AB6" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1314-2488--55" ModsDocOrigin="NeoBiota " ModsDocTitle="First record of Aequoreamacrodactyla (Cnidaria, Hydrozoa) from the Israeli coast of the eastern Mediterranean Sea, an alien species indicating invasive pathways" checkinTime="1553126994698" checkinUser="pensoft" docAuthor="Mizrahi, Gur A., Shemesh, Eli, van Ofwegen, Leen & Tchernov, Dan" docDate="2015" docId="2060E08BF1C80CFE7334F19221355C97" docLanguage="en" docName="NeoBiota 26: 55-70" docOrigin="NeoBiota 26" docSource="http://dx.doi.org/10.3897/neobiota.26.8278" docTitle="Aequorea Peron & Lesueur 1810" docType="treatment" docVersion="5" lastPageNumber="58" masterDocId="DA67FFC419580301FFD9045EFF89DB1E" masterDocTitle="First record of Aequoreamacrodactyla (Cnidaria, Hydrozoa) from the Israeli coast of the eastern Mediterranean Sea, an alien species indicating invasive pathways" masterLastPageNumber="70" masterPageNumber="55" pageNumber="58" updateTime="1701378844340" updateUser="ExternalLinkService">
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<mods:titleInfo id="EF8F8D245CAC57FF4940CEA7D95C96FE">
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<mods:title id="48BBB45C128D96506341057855FBDEC3">First record of Aequoreamacrodactyla (Cnidaria, Hydrozoa) from the Israeli coast of the eastern Mediterranean Sea, an alien species indicating invasive pathways</mods:title>
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<mods:namePart id="5B7FE28D0EDDE0AC3F213F696D98AF9C">Mizrahi, Gur A.</mods:namePart>
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<mods:namePart id="61E5708B2B0DE5F3C90D8E4DCBC2E469">Shemesh, Eli</mods:namePart>
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<mods:namePart id="D254174F12E1B6443535DA8E80C9582E">van Ofwegen, Leen</mods:namePart>
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<mods:namePart id="6F92750DF37134757548160BC70CE572">Tchernov, Dan</mods:namePart>
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<mods:title id="C93229BC9DE62EAB0E0457434FD62E79">NeoBiota</mods:title>
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<mods:date id="0EC4EF8C4377097529E0D54BD19B6968">2015</mods:date>
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<mods:number id="DD0B00A43341CBF41DCAD17FA9450A7F">26</mods:number>
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<mods:identifier id="20ACFD9EFA11318610A75E34478CE92A" type="DOI">http://dx.doi.org/10.3897/neobiota.26.8278</mods:identifier>
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<treatment id="2060E08BF1C80CFE7334F19221355C97" ID-GBIF-Taxon="154474150" LSID="urn:lsid:plazi:treatment:2060E08BF1C80CFE7334F19221355C97" httpUri="http://treatment.plazi.org/id/2060E08BF1C80CFE7334F19221355C97" lastPageId="4" lastPageNumber="58" pageId="3" pageNumber="58">
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<subSubSection id="039E1719AE440EB795E4E293B1E22CA0" pageId="3" pageNumber="58" type="nomenclature">
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<paragraph id="6EA1BD94084DC5F4BBDE8CEC61794D6E" pageId="3" pageNumber="58">
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Genus
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<taxonomicName id="BB3BCDDF8BEE50CCF31F969D6FB37032" ID-CoL="7NMZX" authority="Peron & Lesueur, 1810" authorityName="Peron & Lesueur" authorityYear="1810" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="genus">
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Aequorea
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<normalizedToken id="2ACE44117CDB9EC6FCBAC9615F9C0D99" originalValue="Péron">Peron</normalizedToken>
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& Lesueur, 1810
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</taxonomicName>
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Fig. 1A
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</paragraph>
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</subSubSection>
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<subSubSection id="1942259AFAC077E395A31CF8F19CF4C6" pageId="3" pageNumber="58" type="reference_group">
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<paragraph id="82AAF56332C9AE35CEB9647BA82736CC" pageId="3" pageNumber="58">
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<taxonomicName id="779EBA2CB77D0D21EFFE47A828B4C839" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea macrodactyla" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="species" species="macrodactyla">Aequorea macrodactyla</taxonomicName>
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(Brandt, 1835)
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</paragraph>
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</subSubSection>
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<subSubSection id="D78AB71B4749632E3860FF61CBC07260" lastPageId="4" lastPageNumber="59" pageId="3" pageNumber="58" type="morphological description">
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<paragraph id="D4CD1F97E533BB4B0445C88EAAC9FCEC" pageId="3" pageNumber="58">Morphological description.</paragraph>
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<paragraph id="2A01B75C7ABC6764B8339A42BFAE44FA" lastPageId="4" lastPageNumber="59" pageId="3" pageNumber="58">
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The freshly collected jellyfish were observed carefully in the lab by using: Nikon SMZ100 Binocular, Nikon AZ100 Binocular with DS-Ri1 camera, and Zeiss Imager microscope M2. All specimens have a biconvex lens umbrella (central disc is lens-shaped) of around 20 mm thick and 65 mm to 80 mm in diameter. The stomach is shallow with a diameter of a little less than half of the umbrella, around 30 mm to 38 mm (Fig. 1A). There is an average of 32 straight radial canals (Fig. 1B) and the gonads are linear on both sides of each radial canal (Fig. 1C). The jellyfish have between 10-20 broad marginal tentacle bulbs (Fig. 1A) each with abaxial keel (Fig. 1D). The identification of
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<taxonomicName id="A2EC5F20B4EC8201F07BBDE99B1962A4" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="genus">Aequorea</taxonomicName>
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spp. can be confusing mainly due to their considerable variability, and misidentification has occurred in the past (
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<bibRefCitation id="E855C088886E5C640910259067969521" author="Kramp, PL" journalOrPublisher="Compt. rend. sean. Acad. Sc" pageId="11" pageNumber="66" title="The hydromedusae of the Pacific and Indian Oceans." volume="198" year="1965">Kramp 1965</bibRefCitation>
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). The amount of radial canals and tentacles, and the shape of the bases of the marginal tentacles are of great importance and the key to distinguish morphologically between other similar jellyfish belonging to the genus
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<taxonomicName id="2525229C834C0DF99989B9BFBA12A8C2" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="genus">Aequorea</taxonomicName>
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, for example
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<taxonomicName id="9FD7D83DE19478B120561C316C95DAF9" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea pensilis" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="species" species="pensilis">Aequorea pensilis</taxonomicName>
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and
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<taxonomicName id="A1DBB09E217E68BB85E0D94B0D4E636F" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea macrodactyla" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="species" species="macrodactyla">Aequorea macrodactyla</taxonomicName>
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that bear a close resemblance one to another. The marginal bulb should be determined in order to distinguish between similar species of
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<taxonomicName id="3CF9969F24A8A57609A68E79AEAA3839" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="genus">Aequorea</taxonomicName>
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(
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<bibRefCitation id="625AA473E9F243FBE6F7C01D1367C4BC" author="Mayer, AG" journalOrPublisher="Vol" pageId="12" pageNumber="67" pagination="332 - 333" title="Medusae of the World. Carnegie Inst. Washington." volume="2" year="1910">Mayer 1910</bibRefCitation>
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;
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<bibRefCitation id="571DFE3E03E45F9BAB8C1EF382A09AE7" author="Kramp, PL" journalOrPublisher="Videnskabelige Meddelelser Fra Dansk Naturhistorik Forening" pageId="11" pageNumber="66" pagination="235 - 242" title="Medusae of the Iranian gulf." volume="118" year="1956">Kramp 1956</bibRefCitation>
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;
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<bibRefCitation id="9D6B6187C7E4A61D6D0900EE748D3A27" author="Kramp, PL" journalOrPublisher="Compt. rend. sean. Acad. Sc" pageId="11" pageNumber="66" title="The hydromedusae of the Pacific and Indian Oceans." volume="198" year="1965">Kramp 1965</bibRefCitation>
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;
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<bibRefCitation id="3F89B319E3B445BD694BE58170091CE6" author="Russell, FS" journalOrPublisher="Conseil International pour l'Exploration de la Mer, Kopenhagen" pageId="12" pageNumber="67" title="Fiches d'identification du zooplancton" year="1970">Russell 1970</bibRefCitation>
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;
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<bibRefCitation id="1C3D94993B84F9F6FA57E714657C5D81" author="Bouillon, J" journalOrPublisher="Memoires du Museum National d'Histoire Naturelle" pageId="10" pageNumber="65" title="An introduction to Hydrozoa." volume="194" year="2006">Bouillon et al. 2006</bibRefCitation>
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;
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<bibRefCitation id="FDF3291C604E421C02C75EF6451C27E4" author="Gul, S" journalOrPublisher="Marine Biodiversity Records" pageId="11" pageNumber="66" title="Aequoreapensilis (Cnidaria: Hydrozoa) bloom and first record from Pakistan coast (North Arabian Sea)." url="10.1017/S1755267213001085" volume="6" year="2013">Gul and Gravili 2013</bibRefCitation>
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). In our findings we can see clearly (Fig. 1C) the cross-shaped bases of the marginal tentacles that continue the radial canal. Also it is evident (Fig. 1C) that some radial canals end as marginal bulbs but did not develop tentacles and should be considered as non-tentacular marginal bulbs or rudimentary bulbs (Fig. 1D), which is a characteristic phenomenon of the
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<taxonomicName id="FBAD69AF994AB32C8A84A3C0F6CDF8C9" class="Hydrozoa" family="Aequoreidae" genus="Aequorea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aequorea macrodactyla" order="Leptothecata" pageId="3" pageNumber="58" phylum="Cnidaria" rank="species" species="macrodactyla">Aequorea macrodactyla</taxonomicName>
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. In Figure 1C we can see
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<pageBreakToken id="5B4599E3A39E761D956DEF9D9F9212C7" pageId="4" pageNumber="59" start="start">the</pageBreakToken>
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position of the gonads surrounding the radial canal. The color of the radial canal, the endoderm of the lips and the tentacle bulbs present a milky color as other parts are mostly transparent.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |