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A new species of Corydoras Lacépède, 1803 (Siluriformes: Callichthyidae) from the upper rio Paraná basin, Brazil

A new species of Corydorasis described from three tributaries of the rio Ivaí drainage, upper rio Paraná basin, Paraná State, Brazil. The new species can be distinguished from most of its congeners by the presence of three nasal pores. Other diagnostic features are the lower number of serrations in...

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Published in:Neotropical Ichthyology 2014-03, Vol.12 (1), p.89-96
Main Authors: Tencatt, Luiz F. C., Britto, Marcelo R., Pavanelli, Carla S.
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description A new species of Corydorasis described from three tributaries of the rio Ivaí drainage, upper rio Paraná basin, Paraná State, Brazil. The new species can be distinguished from most of its congeners by the presence of three nasal pores. Other diagnostic features are the lower number of serrations in posterior margin of pectoral and dorsal spines and presence of four to six small black blotches along the midline of the flank. The possible mimetic relationship between the new species and Characidium heirmostigmatais discussed. Uma espécie nova de Corydoras é descrita de três tributários da drenagem do rio Ivaí, bacia do alto rio Paraná, estado do Paraná, Brasil. A espécie nova se diferencia da maioria de suas congêneres por apresentar três poros nasais. Outras características diagnósticas são o menor número de serrilhas na margem posterior dos espinhos peitoral e dorsal e presença de quatro a seis manchas pretas pequenas ao longo da linha mediana do flanco. A possível relação mimética entre a espécie nova e Characidium heirmostigmata é discutida.
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A possível relação mimética entre a espécie nova e Characidium heirmostigmata é discutida.</description><subject>Characidium heirmostigmata</subject><subject>Corydoradinae</subject><subject>Mimicry</subject><subject>Rio Ivaí</subject><subject>Taxonomy</subject><subject>ZOOLOGY</subject><issn>1679-6225</issn><issn>1982-0224</issn><issn>1982-0224</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNptUdtqGzEQXUIDTZ1-Q_WYgDcZXXYl5c0xaWIwNJD2WcxK2lhmbS2STXH_Jm_td_jHso3TPJQwDHMY5hwOZ4riC4ULWmm4fKC11GXNWMWACgCgQ4M-Kk6oVqwExsSHAf87-lh8ynkJUEkJ7KTIE7L2P0nuvQ0-k9iSaUw7FxNmMke7_9Pvfzs_JlQBJ2cPodum0Ma08vmKTLHrgl1sFrvg0J-TNsUV2Sw82fa9TySFSO4x4Xr_RBrMYT0m1wl_he60OG6xy_7z6xwVP77efJ_elfNvt7PpZF5aQemmZOBRNMLVjXaaN9bKlklm26GYbLR3nKLkzKlKy6rGGrVwSK3WoLVHV_FRMTvouohL06ewwrQzEYN5WcT0aDBtgu284RwaVwlFnXICrVVOKc6o18K2nqIatC4OWnnIqYtmGbdpPZg3L_Gb_-JXeiDIA8GmmHPy7ZsBCubv495ngubP3_OKww</recordid><startdate>20140301</startdate><enddate>20140301</enddate><creator>Tencatt, Luiz F. 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C.</creatorcontrib><creatorcontrib>Britto, Marcelo R.</creatorcontrib><creatorcontrib>Pavanelli, Carla S.</creatorcontrib><collection>CrossRef</collection><collection>SciELO</collection><collection>Directory of Open Access Journals</collection><jtitle>Neotropical Ichthyology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tencatt, Luiz F. C.</au><au>Britto, Marcelo R.</au><au>Pavanelli, Carla S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new species of Corydoras Lacépède, 1803 (Siluriformes: Callichthyidae) from the upper rio Paraná basin, Brazil</atitle><jtitle>Neotropical Ichthyology</jtitle><addtitle>Neotrop. ichthyol</addtitle><date>2014-03-01</date><risdate>2014</risdate><volume>12</volume><issue>1</issue><spage>89</spage><epage>96</epage><pages>89-96</pages><issn>1679-6225</issn><issn>1982-0224</issn><eissn>1982-0224</eissn><abstract>A new species of Corydorasis described from three tributaries of the rio Ivaí drainage, upper rio Paraná basin, Paraná State, Brazil. The new species can be distinguished from most of its congeners by the presence of three nasal pores. Other diagnostic features are the lower number of serrations in posterior margin of pectoral and dorsal spines and presence of four to six small black blotches along the midline of the flank. The possible mimetic relationship between the new species and Characidium heirmostigmatais discussed. Uma espécie nova de Corydoras é descrita de três tributários da drenagem do rio Ivaí, bacia do alto rio Paraná, estado do Paraná, Brasil. A espécie nova se diferencia da maioria de suas congêneres por apresentar três poros nasais. Outras características diagnósticas são o menor número de serrilhas na margem posterior dos espinhos peitoral e dorsal e presença de quatro a seis manchas pretas pequenas ao longo da linha mediana do flanco. A possível relação mimética entre a espécie nova e Characidium heirmostigmata é discutida.</abstract><pub>Sociedade Brasileira de Ictiologia</pub><doi>10.1590/S1679-62252014000100009</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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1982-0224
language eng
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source SciELO Brazil
subjects Characidium heirmostigmata
Corydoradinae
Mimicry
Rio Ivaí
Taxonomy
ZOOLOGY
title A new species of Corydoras Lacépède, 1803 (Siluriformes: Callichthyidae) from the upper rio Paraná basin, Brazil
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