<documentid="4FBC294C56C323A1F195E30BD96D2138"ID-DOI="10.1590/1982-0224-2022-0040"ID-ISSN="1982-0224"ID-Zenodo-Dep="13349936"ID-ZooBank="0FCC671F-C08D-4009-B2C0-354B3CCD1339"IM.bibliography_requiresApprovalFor="GgImagineBatch"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="guilherme"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="guilherme"checkinTime="1720670937300"checkinUser="felipe"docAuthor="Tencatt, Luiz Fernando Caserta, Britto, Marcelo R., Isbrücker, Isaäc Jan Hendrik & Pavanelli, Carla Simone"docDate="2022"docId="C3355210FFE8FFEFEBA65EF3B3118389"docLanguage="en"docName="NeotropIchthyol.20.3.e220040.pdf"docOrigin="Neotropical Ichthyology (e 220040) 20 (3)"docSource="http://dx.doi.org/10.1590/1982-0224-2022-0040"docStyle="DocumentStyle:FC0C3FD10650AF21F8DA93D98D275823.3:NeotropIchthyol.2020-.journal_article"docStyleId="FC0C3FD10650AF21F8DA93D98D275823"docStyleName="NeotropIchthyol.2020-.journal_article"docStyleVersion="3"docTitle="Aspidoras carvalhoi Nijssen & Isbrucker 1976"docType="treatment"docVersion="3"lastPageNumber="53"masterDocId="3F0C2A68FFDAFFDBE9645B7DB77E835D"masterDocTitle="Taxonomy of the armored catfish genus Aspidoras (Siluriformes: Callichthyidae) revisited, with the description of a new species"masterLastPageNumber="159"masterPageNumber="1"pageNumber="51"updateTime="1724162936309"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<mods:titleid="D8A087DC25DD9D1305D6EE220E894AA5">Taxonomy of the armored catfish genus Aspidoras (Siluriformes: Callichthyidae) revisited, with the description of a new species</mods:title>
<mods:namePartid="A451A83B07FDAAFE98B51F5B2F8C4650">Tencatt, Luiz Fernando Caserta</mods:namePart>
<mods:affiliationid="3AA4DF5F7B1BE52B06CAD038AD35FFD8">Universidade Estadual de Maringá. Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Av. Colombo, 5790, 87020 - 900 Maringá, PR, Brazil. luiztencatt @ hotmail. com (corresponding author). & Universidade Federal de Mato Grosso do Sul, Instituto de Biociências, Setor de Zoologia, Laboratório de Ictiologia, Avenida Costa e Silva, s / nº, Cidade Universitária, 79070 - 900 Campo Grande, MS, Brazil. & Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Coxim, Laboratório de Biologia, Rua General Mendes de Moraes, 370, 79400 - 000 Coxim, MS, Brazil.</mods:affiliation>
<mods:affiliationid="6D1963FD848F1797C2FBCC5420937A75">Universidade Federal do Rio de Janeiro, Museu Nacional, Departamento de Vertebrados, Setor de Ictiologia, Quinta da Boa Vista s / n, São Cristóvão, 20940 - 040 Rio de Janeiro, RJ, Brazil. mrbritto 2002 @ yahoo. com. br.</mods:affiliation>
<mods:affiliationid="AFFD3E74C70401FFB1D43CCBAA99B246">Universidade Estadual de Maringá. Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Av. Colombo, 5790, 87020 - 900 Maringá, PR, Brazil. luiztencatt @ hotmail. com (corresponding author). & Universidade Estadual de Maringá, Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura, Av. Colombo, 5790, 87020 - 900 Maringá, PR, Brazil. carlasp @ nupelia. uem. br.</mods:affiliation>
<taxonomicNameid="8C9C9885FFE8FFE9EBA65EF3B3A786FB"ID-CoL="HHG9"authority="Nijssen & Isbrucker, 1976"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[706,1241,1422,1446]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="50"pageNumber="51"phylum="Chordata"rank="species"species="carvalhoi">
<taxonomicNameid="8C9C9885FFE8FFE9E88C5D5AB4CA8567"authority="Nijssen & Isbrucker, 1976: 117"authorityName="Nijssen & Isbrucker"authorityPageNumber="117"authorityYear="1976"box="[488,948,1575,1594]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="50"pageNumber="51"phylum="Chordata"rank="species"species="carvalhoi">
<materialsCitationid="FBF4E95BFFE8FFE9EBFC5D5AB4CA8567"box="[664,948,1575,1594]"country="Brazil"county="Bichuette"location="Acude Canabrava"municipality="Tencatt"pageId="50"pageNumber="51"specimenCount="1"stateProvince="Ceara">Nijssen & Isbrücker, 1976:117</materialsCitation>
<taxonomicNameid="8C9C9885FFE9FFE8E86A59FCB6C081C8"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[270,446,641,661]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
<taxonomicNameid="8C9C9885FFE9FFE8EA68586EB4A28076"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[780,988,787,811]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
). As a result, the recognition of this taxon is virtually impossible at the present moment. Considering that there is no information on distribution, population trends, or threats, it is not possible to adequately assess the risk of extinction of the population. According to the
<paragraphid="4B23E306FFE9FFE8E88C588EB2CD8756"blockId="51.[488,1459,787,1110]"box="[488,1459,1011,1035]"pageId="51"pageNumber="52">International Union for Conservation of Nature (IUCN) categories and criteria (IUCN</paragraph>
<taxonomicNameid="8C9C9885FFE9FFE8ED675F65B3AE876D"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[1027,1232,1048,1072]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
<taxonomicNameid="8C9C9885FFE9FFE8EBE35FF5B42787FD"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[647,857,1160,1184]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
<taxonomicNameid="8C9C9885FFE9FFE8EA4B5F84B4D4864D"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[815,938,1272,1296]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
<paragraphid="4B23E306FFE9FFE8E88C5E3EB2CD86FB"blockId="51.[488,1459,1160,1931]"pageId="51"pageNumber="52">this species presents a very reduced pigmentation on body, being described as “almost completely devoid of chromatophores; only a few dark brown isolated minute pigment spots on the lateral scutes, concentrated along or near the posterior edge of the scutes.”.</paragraph>
<taxonomicNameid="8C9C9885FFE9FFE8EC565EC9B2D28696"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[1330,1452,1459,1483]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
<paragraphid="4B23E306FFE9FFE8E88C5EA5B2CC86AD"blockId="51.[488,1459,1160,1931]"box="[488,1458,1496,1521]"pageId="51"pageNumber="52">using “Body without color pattern” as a diagnostic feature in their identification key</paragraph>
<paragraphid="4B23E306FFE9FFE8E88C5E83B2CD854B"blockId="51.[488,1459,1160,1931]"box="[488,1459,1534,1558]"pageId="51"pageNumber="52">(see p.110). However, considering that these specimens were captured in 1947, nearly</paragraph>
30 years before they were examined by Nijssen, Isbrüecker (1976), it seems more plausible to presume that the color pattern faded after preservation. Since the
<taxonomicNameid="8C9C9885FFE9FFE8EB615D13B5FF85DB"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[517,641,1646,1670]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
) and the original description is insufficiently informative, allied to the fact that no additional specimen from the rio Aracoiaba basin was found, it was not possible to clearly recognize
<taxonomicNameid="8C9C9885FFE9FFE8ED595DC4B3C3858D"authorityName="Nijssen & Isbrucker"authorityYear="1976"box="[1085,1213,1720,1744]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="species"species="carvalhoi">
. Therefore, we were not able to provide a new diagnosis and redescription of this species, or even include it in the identification key. Despite that, the presence of two cranial fontanels (Nijssen,
<taxonomicNameid="8C9C9885FFE9FFE8EDC65C0EB27684D6"authorityName="R. von Ihering"authorityYear="1907"box="[1186,1288,1907,1931]"family="Callichthyidae"genus="Aspidoras"kingdom="Animalia"order="Siluriformes"pageId="51"pageNumber="52"phylum="Chordata"rank="genus">
