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107 lines
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.943.52773" ID-GBIF-Dataset="8b3801e8-36ec-4ce6-a50d-4ae38ab39e05" ID-PMC="PMC7324410" ID-Pensoft-Pub="1313-2970-943-1" ID-Pensoft-UUID="2445E5941B585EE6B56E114E62102FB5" ID-PubMed="32624673" ID-ZooBank="2E2EAD47EC1A49FCAA9B857C29E283D6" ModsDocID="1313-2970-943-1" checkinTime="1592862879990" checkinUser="pensoft" docAuthor="Masunari, Setuko, Martins, Salise Brandt & Anacleto, Andre Fernando Miyadi" docDate="2020" docId="173C3EE618615C35B96618FA4D420FE4" docLanguage="en" docName="ZooKeys 943: 1-20" docOrigin="ZooKeys 943" docSource="http://dx.doi.org/10.3897/zookeys.943.52773" docTitle="Leptuca thayeri" docType="treatment" docVersion="4" id="2445E5941B585EE6B56E114E62102FB5" lastPageNumber="1" masterDocId="2445E5941B585EE6B56E114E62102FB5" masterDocTitle="An illustrated key to the fiddler crabs (Crustacea, Decapoda, Ocypodidae) from the Atlantic coast of Brazil" masterLastPageNumber="20" masterPageNumber="1" pageNumber="1" updateTime="1668169006592" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>An illustrated key to the fiddler crabs (Crustacea, Decapoda, Ocypodidae) from the Atlantic coast of Brazil</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Masunari, Setuko</mods:namePart>
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<mods:affiliation>Laboratory for Crustacean Research UFPR, Department of Zoology, Federal University of Parana, Curitiba, Parana State, Brazil</mods:affiliation>
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<mods:nameIdentifier type="email">set_mas@yahoo.com.br</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Martins, Salise Brandt</mods:namePart>
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<mods:affiliation>Laboratory for Crustacean Research UFPR, Department of Zoology, Federal University of Parana, Curitiba, Parana State, Brazil</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Anacleto, Andre Fernando Miyadi</mods:namePart>
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<mods:affiliation>Laboratory for Crustacean Research UFPR, Department of Zoology, Federal University of Parana, Curitiba, Parana State, Brazil</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>943</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>20</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.943.52773</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.943.52773</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-943-1</mods:identifier>
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<mods:identifier type="ZooBank">2E2EAD47EC1A49FCAA9B857C29E283D6</mods:identifier>
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<mods:identifier type="Pensoft-UUID">2445E5941B585EE6B56E114E62102FB5</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="164697034" LSID="urn:lsid:plazi:treatment:173C3EE618615C35B96618FA4D420FE4" httpUri="http://treatment.plazi.org/id/173C3EE618615C35B96618FA4D420FE4" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="173C3EE6-1861-5C35-B966-18FA4D420FE4" authority="(Rathbun, 1900)" baseAuthorityName="Rathbun" baseAuthorityYear="1900" class="Malacostraca" family="Ocypodidae" genus="Leptuca" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptuca thayeri" order="Decapoda" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="thayeri">Leptuca thayeri (Rathbun, 1900)</taxonomicName>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Uca maracoani. A carapace with bare surface, dorsal view B male major claw with flat fingers, frontal view. Leptuca thayeri C carapace mostly covered with pile (seta) D male major claw with cylindrical fingers, frontal view." figureDoi="10.3897/zookeys.943.52773.figure2" httpUri="https://binary.pensoft.net/fig/423556" pageId="0" pageNumber="1">Figure 2C, D</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Recognition characters.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Carapace trapezoidal weakly arched and covered with exuberant pile (pubescence easily detached) (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Uca maracoani. A carapace with bare surface, dorsal view B male major claw with flat fingers, frontal view. Leptuca thayeri C carapace mostly covered with pile (seta) D male major claw with cylindrical fingers, frontal view." figureDoi="10.3897/zookeys.943.52773.figure2" httpUri="https://binary.pensoft.net/fig/423556" pageId="0" pageNumber="1">2C</figureCitation>
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, seta) and strongly converging posteriorly. Dorso-lateral margins well marked and also strongly converging posteriorly; major and minor pairs of postero-lateral striae clearly visible (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Uca maracoani. A carapace with bare surface, dorsal view B male major claw with flat fingers, frontal view. Leptuca thayeri C carapace mostly covered with pile (seta) D male major claw with cylindrical fingers, frontal view." figureDoi="10.3897/zookeys.943.52773.figure2" httpUri="https://binary.pensoft.net/fig/423556" pageId="0" pageNumber="1">2C</figureCitation>
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). Front triangular and narrow making up ca. 15% of the front-orbital breadth. Male major claw with manus provided with a strong groove on the dorsal surface; fingers cylindrical and smooth; dactyl almost straight in the proximal two-thirds and curving down toward pollex tip and provided with a short but strong groove on the dorsal surface usually filled with dirt; moderate gap between fingers (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Uca maracoani. A carapace with bare surface, dorsal view B male major claw with flat fingers, frontal view. Leptuca thayeri C carapace mostly covered with pile (seta) D male major claw with cylindrical fingers, frontal view." figureDoi="10.3897/zookeys.943.52773.figure2" httpUri="https://binary.pensoft.net/fig/423556" pageId="0" pageNumber="1">2D</figureCitation>
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). Ambulatory legs with wide merus ca. 3.3 times the width of proximal end of carpus; posterior surface of all segments (except dactyl) of ambulatory legs covered by pile. Male abdomen segments not fused. Medium-sized species: male CW measures up to 28.4 mm in the population from Formoso River mangrove, Pernambuco state, northeastern Brazil (
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<bibRefCitation author="Farias, ACA" journalOrPublisher="Thalassas" pageId="0" pageNumber="1" pagination="21 - 37" refId="B16" refString="Farias, ACA, Castiglioni, DS, Garcia, JE, 2014. Population structure of the fiddler crab Uca thayeri Rathbun, 1900 (Crustacea, Decapoda, Ocypodidae) in a tropical mangrove. Thalassas 30 (1): 21 - 37" title="Population structure of the fiddler crab Uca thayeri Rathbun, 1900 (Crustacea, Decapoda, Ocypodidae) in a tropical mangrove." volume="30" year="2014">Farias et al. 2014</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="notes">
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<paragraph pageId="0" pageNumber="1">Biological notes.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Populations living in the northeastern Brazilian coast reproduce only in the rainy season (
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<normalizedToken originalValue="Ceará">Ceara</normalizedToken>
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state) (
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<bibRefCitation DOI="https://doi.org/10.1016/j.actao.2006.10.003" author="Bezerra, LEA" journalOrPublisher="Acta Oecologica" pageId="0" pageNumber="1" pagination="251 - 258" refId="B7" refString="Bezerra, LEA, Matthews-Cascon, H, 2007. Population and reproductive biology of the fiddler crab Uca thayeri Rathbun, 1900 (Crustacea: Ocypodidae) in a tropical mangrove from northeast Brazil. Acta Oecologica 31 (3): 251 - 258, DOI: https://doi.org/10.1016/j.actao.2006.10.003" title="Population and reproductive biology of the fiddler crab Uca thayeri Rathbun, 1900 (Crustacea: Ocypodidae) in a tropical mangrove from northeast Brazil." url="https://doi.org/10.1016/j.actao.2006.10.003" volume="31" year="2007">Bezerra and Matthews-Cascon 2007</bibRefCitation>
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) or continuously (Pernambuco state) (
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<bibRefCitation author="Farias, ACA" journalOrPublisher="Thalassas" pageId="0" pageNumber="1" pagination="21 - 37" refId="B16" refString="Farias, ACA, Castiglioni, DS, Garcia, JE, 2014. Population structure of the fiddler crab Uca thayeri Rathbun, 1900 (Crustacea, Decapoda, Ocypodidae) in a tropical mangrove. Thalassas 30 (1): 21 - 37" title="Population structure of the fiddler crab Uca thayeri Rathbun, 1900 (Crustacea, Decapoda, Ocypodidae) in a tropical mangrove." volume="30" year="2014">Farias et al. 2014</bibRefCitation>
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), and those from southeastern Brazil during the warmer months (
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<normalizedToken originalValue="São">Sao</normalizedToken>
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Paulo state) (
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<bibRefCitation DOI="https://doi.org/10.1590/S1516-89132006000100014" author="Costa, TM" journalOrPublisher="Brazilian Archives of Biology and Technology" pageId="0" pageNumber="1" pagination="117 - 123" refId="B14" refString="Costa, TM, Silva, SMJ, Negreiros-Fransozo, ML, 2006. Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae). Brazilian Archives of Biology and Technology 49 (1): 117 - 123, DOI: https://doi.org/10.1590/S1516-89132006000100014" title="Reproductive pattern comparison of Uca thayeri Rathbun, 1900 and U. uruguayensis Nobili, 1901 (Crustacea, Decapoda, Ocypodidae)." url="https://doi.org/10.1590/S1516-89132006000100014" volume="49" year="2006">Costa et al. 2006</bibRefCitation>
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). The species prefers typically muddy mangrove substrates in mesohaline areas, and it is the only fiddler crab in Brazil that forms large populations in shaded areas of the mangrove forest in Guaratuba Bay, southern Brazil (
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<bibRefCitation DOI="https://doi.org/10.1590/S0101-81752006000400001" author="Masunari, S" journalOrPublisher="Revista Brasileira de Zoologia" pageId="0" pageNumber="1" pagination="901 - 914" refId="B22" refString="Masunari, S, 2006. Distribuicao e abundancia dos caranguejos Uca Leach (Crustacea Decapoda Ocypodidae) na Baia de Guaratuba, Parana, Brasil. Revista Brasileira de Zoologia 23 (4): 901 - 914, DOI: https://doi.org/10.1590/S0101-81752006000400001" title="Distribuicao e abundancia dos caranguejos Uca Leach (Crustacea Decapoda Ocypodidae) na Baia de Guaratuba, Parana, Brasil." url="https://doi.org/10.1590/S0101-81752006000400001" volume="23" year="2006">Masunari 2006</bibRefCitation>
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). Males and females of
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<taxonomicName lsidName="L. thayeri" pageId="0" pageNumber="1" rank="species" species="thayeri">
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<emphasis italics="true" pageId="0" pageNumber="1">L. thayeri</emphasis>
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</taxonomicName>
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can construct year-round highly structured chimneys around the entrance of the burrows; among the burrow with chimneys recorded in the mangrove of Guaratuba Bay, 53.3 % contained non-ovigerous females, 37.7 % ovigerous females and only 9.0 % males. Furthermore, the chimneys belonging to males had always a larger diameter and were lower than those of
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<normalizedToken originalValue="females’">females'</normalizedToken>
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(T.F. Moreto, pers. comm.).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="remarks">
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<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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This species is hardly confused with other species of Brazilian fiddler crabs, as it has a very narrow triangular front (see Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Uca maracoani. A carapace with bare surface, dorsal view B male major claw with flat fingers, frontal view. Leptuca thayeri C carapace mostly covered with pile (seta) D male major claw with cylindrical fingers, frontal view." figureDoi="10.3897/zookeys.943.52773.figure2" httpUri="https://binary.pensoft.net/fig/423556" pageId="0" pageNumber="1">2C</figureCitation>
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). Furthermore, the carapace and the ambulatory legs are heavily covered with pile.
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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