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Introduction
Graduated in Biological Sciences - Bachelor by the Federal University of Mato Grosso do Sul. He holds a Master's and Doctorate degree from the Postgraduate Program in Ecology of Continental Aquatic Environments, State University of Maringá, Research Center in Limnology, Ichthyology and Aquaculture (Nupélia). Since 2011 he has been devoted mainly to the study of the taxonomy of Callichthyidae, especially Corydoradinae. In parallel, the taxonomy of Loricariidae was also part of his studies.
Current institution
Additional affiliations
January 2007 - December 2010
March 2011 - March 2013
March 2014 - December 2017
Education
March 2014 - December 2017
Universidade Estadual de Maringá
Field of study
- Corydoradinae and Loricariidae systematics
March 2011 - March 2013
January 2007 - December 2010
Publications
Publications (67)
Hypostomus khimaera Tencatt, Zawadzki & Fröehlich, 2014 is a species native to the rio Paraguay basin, but it is recorded here from the upper rio Paraná basin for the first time. Our new record was made in the córrego Mimoso, a tributary of the rio Anhanduí, approximately 180 km from the closest previously reported locality. We are unsure whether t...
Morphological and molecular data support the description of a new Aequidens species from the upper rio Correntes, considered herein as endemic to the upper rio Paraguai basin in the Cerrado biome in Brazil. The new species is distinguished from all congeners, except from A. plagiozonatus by having anteriorly oblique dark brown flank bars vs. vertic...
The family Callichthyidae, which comprises the subfamilies Corydoradinae and Callichthyinae, represents one of the largest families within the Siluriformes. Corydoradinae, the largest subfamily of Callichthyidae, alone accounts for >200 valid species, with new species being described frequently. This subfamily holds significant popularity among cat...
A new species of Corydoras is described from the Itaya and Nanay river basins, tributaries of the Río Amazonas in Peru. The new species can be distinguished from its congeners by the following features: (I) branch of the temporal sensory canal at sphenotic, which gives rise to the supraorbital canal, with two pores, (II) upper tooth plate of branch...
Hypostomus khimaera, described from the upper rio Paraguai basin in Brazil, was reported to present some morphological variations in its original description, which allied to its relatively wide geographical distribution reinforced the need for a new assessment of its taxonomic status. Here, we analyzed a new robust set of material, composed by 636...
The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...
Roeboides margareteae Lucena, 2003 Silva, A.T.; Zanata, A.M.; Silva, A.L.B.; Terra, B.F.; Pavanelli, C.S.; Junior, D.E.S.; Melo, F.A.G.; Ferreira, F.F.; Deprá, G.C.; Galvão, G.A.; Salvador, G.N.; Penido, I.S.; Birindelli, J.L.O.; Gomes, J.P.C.; Silva, L.O.; Neto, L.F.B.; Filho, L.M.S.S.; Tencatt, L.F.C.; Silva, L.F.D.; Brito, M.F.G.; Cardoso, P.C.A...
The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classification. In this context, the B Brazilian meg...
A new species of Corydoras is described from the rio Xingu and rio Tapajós basins, Pará State, Brazil. The new species can be promptly distinguished from its congeners by the combination of the following features: (I) temporal sensory canal at sphenotic with two pores; (II) upper tooth plate of branchial arch with three or four series of teeth; (II...
A new species of Corydoras is described from the rio Jutaí, Amazon basin, Brazil. The new species can be distinguished from its congeners by having the following features: (I) ventral surface of trunk entirely or almost entirely covered by small- to relatively large-sized coalescent platelets, forming a typical mosaic-like pattern; (II) large, arch...
Hyphessobrycon langeanii was originally described as endemic to the upper Araguaia river basin, Brazil. However, our analysis of several Hyphessobrycon specimens collected in the Correntes river basin and another tributary of the Itiquira River in Mato Grosso state (both belonging to the Paraguay river basin) reveals the first verified record of H....
A new species of Corydoras is described from tributaries to the rio Araza, an affluent of the rio Inambari, itself a tributary to the rio Madre de Dios, rio Madeira basin in the Peruvian Amazon. The new species can be distinguished from its congeners by the following features: (I) absence of contact between the posterior process of the parieto-supr...
Silva, A.T.; Zanata, A.M.; Silva, A.L.B.; Terra, B.F.; Pavanelli, C.S.; Junior, D.E.S.; Melo, F.A.G.; Ferreira, F.F.; Deprá,
G.C.; Galvão, G.A.; Salvador, G.N.; Penido, I.S.; Birindelli, J.L.O.; Gomes, J.P.C.; Silva, L.O.; Neto, L.F.B.; Filho,
L.M.S.S.; Tencatt, L.F.C.; Silva, L.F.D.; Brito, M.F.G.; Cardoso, P.C.A.; Reis, R.E.; Lima, S.M.Q.; Costa,...
Melo, F.A.G.; Ferreira, F.F.; Deprá, G.C.; Galvão, G.A.; Salvador, G.N.; Penido, I.S.; Birindelli, J.L.O.; Gomes, J.P.C.; Silva, L.O.; Neto, L.F.B.; Filho, L.M.S.S.; Tencatt, L.F.C.; Silva, L.F.D.; Brito, M.F.G.; Cardoso, P.C.A.; Reis, R.E.; Lima, S.M.Q.; Costa, S.Y.L.; Ramos, T.P.A.; Volpi, T.A.; Pessali, T.C.; Motta, V.B.S.; Guimarães, É.C. 2023....
Melo, F.A.G.; Ferreira, F.F.; Deprá, G.C.; Galvão, G.A.; Salvador, G.N.; Penido, I.S.; Birindelli, J.L.O.; Gomes, J.P.C.; Silva, L.O.; Neto, L.F.B.; Filho, L.M.S.S.; Tencatt, L.F.C.; Silva, L.F.D.; Brito, M.F.G.; Cardoso, P.C.A.; Reis, R.E.; Lima, S.M.Q.; Costa, S.Y.L.; Ramos, T.P.A.; Volpi, T.A.; Pessali, T.C.; Motta, V.B.S.; Guimarães, É.C. 2023....
An expedition crowdfunded by aquarists to a region of the Brazilian state of Pará drained by the Tapajós and Xingu river basins resulted in the capture of five species of Corydoras from the rio Jamanxim basin, a tributary to the rio Tapajós, of which three could be confirmed as new and described herein. The new species can be promptly diagnosed fro...
Aspidoras comprises 25 species currently considered as valid, being widely distributed in Brazil, occurring from the upper rio Paraná basin in São Paulo to coastal basins of Ceará. After Nijssen, Isbrücker’s review more than 40 years ago, no extensive work regarding the taxonomy of Aspidoras was conducted. Our paper presents a comprehensive taxonom...
Nota de repúdio contra o Projeto de Lei 614, de 2018, da Assembleia Legislativa do Estado de São Paulo, que dispõe sobre a pesca, o embarque, o transporte, a comercialização e o processamento dos tucunarés Cichla spp. e dá outras providências. A comunidade científica, representada por doutores, mestres, pesquisadores, biólogos, engenheiros de pesca...
New genetic and morphological data support the recognition of a distinct monophyletic group, the Cyphocharax saladensis clade, which includes C. vanderi, C. saladensis, C. boiadeiro, and a new species. This four-species group can be recognized by modifications in the laterosensory system with instances of incomplete or interrupted poring, by the on...
Corydoras is the richest genus of Corydoradinae, and many of its species have not been identified to date. We characterized Corydoras carlae and Corydoras sp. by performing cytogenetic, morphometric, and molecular analyses to facilitate correct identification and species delimitation and contribute an understanding of the evolutionary process of th...
A new long‐snouted Corydoras species is described from two tributaries of the río Manuripe and a tributary of the río Madre de Dios, rio Madeira basin, Peru. Corydoras fulleri can be distinguished from its congeners by having the following features: (a) branch of the temporal sensory canal at sphenotic, which gives rise to the supraorbital canal, w...
The menaced and poorly-known waters of the Bodoquena Plateau revealed a new resident, the stunning Hypostomus froehlichi sp. n., a large-sized armored catfish, which is finally described after more than twenty years since its discovery. The Bodoquena Plateau is drained by the rio Paraguay basin, and is located in the state of Mato Grosso do Sul, Br...
A new Corydoras is described from the Blanco and Ucayali river basins in Peru. The new species can be distinguished from its congeners by having the following features: (I) posterior margin of dorsal-fin spine with laminar serrations directed towards the origin of the spine; (II) a long, wide, arched, and continuous black stripe, which runs paralle...
The typical long-snouted species of Corydoras from the río de La Plata basin were reviewed herein, and the previously proposed synonymy of Corydoras ellisae was corroborated. Corydoras areio and C. aurofrenatus are diagnosed from their congeners, excluding those in lineage 1, by the following features: temporal sensory canal in sphenotic with two p...
Aspidoras azaghal n. sp. was discovered during a multitaxonomic scientific expedition to the remote Amazon Terra do Meio region in tributaries to the rio Xingu basin, Pará, Brazil. The new species can be promptly distinguished from its congeners by the following combination of features: (a) absence of the first dorsal‐fin element; (b) parieto‐supra...
Hypostomus albopunctatus was described from the Rio Piracicaba, a tributary of the Rio Tietê, upper Rio Paraná basin. Nevertheless, specimens attributed to this species are commonly found throughout other river systems in the upper Rio Paraná basin and present varying degrees of morphological variation. A taxonomic review of H. albopunctatus based...
After 80 years of misidentifications, the analysis of the holotype of Corydoras arcuatus plus several non‐type specimens attributed to this species allowed its recognition and also revealed a new species, both sharing the following diagnostic features: a long, arched, continuous black stripe that runs parallel to the dorsal profile of the body and...
A redescription of Corydoras undulatus Regan, 1912 is presented. The original description of C. undulatus is very succinct, as is its diagnosis, which is based only on external morphology. Additional information in the scientific literature on this species is scarce. Specimens from the distribution area of this species were analyzed; Paraná and Par...
A new species of the armoured catfish genus Corydoras is described from the Xingu-Tapajos ecore-gion, Brazilian Amazon. The new species can be distinguished from its congeners by having the following combination of features: short mesethmoid, with anterior tip poorly developed, smaller than 50% of bone length; posterior margin of pectoral spine wit...
The first occurrence of the armored catfishes of the subfamily Callichthynae is reported in subterranean water bodies of northern and northeastern Brazil. The records include 3 species, each occurring in 1 of the 3 caves in the central and northeastern regions of Brazil: Callichthys callichthys from Casa do Caboclo cave, Sergipe state; Hoplosternum...
Floodplain river systems are extremely dynamic environments, where alternating dry and flooded periods affect the availability of food resources for fish. For piscivores, during drought years, a decreased availability of prey is expected, resulting in diets dominated by fewer items, narrower trophic niches with high dietary overlap. During floods,...
The limiting similarity theory predicts that divergence in the functional traits of native and introduced species is an essential component in species establishment, as introduced species must occupy a niche that is unoccupied by resident species. On the other hand, the environmental filtering hypothesis predicts convergence between introduced and...
A new species of Aspidoras from the rio da Dona basin, a small coastal river drainage in Bahia State, is described herein. The new taxon differs from its congeners by presenting infraorbital 1 with well-developed ventral laminar expansion, nuchal plate nearly reaching to or sometimes contacting posterior process of parieto-supraoccipital, anterior...
Aspidoras mephisto n. sp. is described from the Anésio-Russão cave system, upper Tocantins River basin, Goiás, Brazil. The species can be readily distinguished from its congeners by troglomorphic features and also by presenting the following combination of features: infraorbital 1 generally with well-developed ventral laminar; or moderately develop...
In this work we report on the presence of morphological deformities in Corydoras aff. longipinnis from two reservoirs in Paraná State, Brazil. The frequency of deformities in the fish populations was 11% in Iraí and 10.5% in Capivari reservoirs. Considering that the frequency may be associated with impacts caused by anthropic activities, this infor...
The Fish Collection of Universidade Federal de Mato Grosso do Sul, ZUFMS, is presented herein.
A new species of Corydoras is described from the upper Rio Machado, Rio Madeira basin, Rondônia State, Brazil. The new species can be distinguished from its congeners by the absence of contact between the posterior process of the parietosupraoccipital and the nuchal plate; a ventral laminar expansion of the infraorbital 1 conspicuously developed; a...
A new species of Corydoras is described from the rio Aripuanã, rio Madeira basin, Mato Grosso State, Brazil. The new species can be distinguished from its congeners by the presence of the following features: long mesethmoid, with anterior tip well developed, conspicuously larger than 50% of bone length; posterior margin of dorsal-fin spine with ser...
A new species of Corydoras is described from the rio Araguaia basin, Goiás, Brazil. The new species can be distinguished from its congeners by presenting the following features: infraorbital 1 with very large ventral laminar expansion; infraorbital 2 contacting compound pterotic; flanks densely covered by irregular black spots; and ventral surface...
A new species of Corydoras is described from the río Madre de Dios basin, Peru. The new species can be distinguished from its congeners by presenting the following features: a longitudinal black stripe along midline of flank; mesethmoid short, with anterior portion poorly developed; serrations on posterior margin of pectoral spine directed towards...
The taxon known as Corydoras paleatus carries one of the most complex taxonomic histories among Corydoradinae catfishes. A comprehensive review of specimens attributed to that species from several localities was carried out, allowing the clear recognition of C. paleatus and also of a new species previously misidentified as C. paleatus, described he...
Two new species of Corydoras are described from the rio Madeira basin, Brazil. The intermediate long-snouted new species can be distinguished from its congeners by presenting the following combination of features: posterior margin of dorsal-fin spine with laminar serrations directed towards the origin of the spine; presence of two longitudinal blac...
Corydoras guapore was described from the rio Guaporé, Rondônia State, Brazil, based only in three specimens, two of them merely examined alive in an aquarium and apparently not preserved posteriorly. The current location of these two paratypes is uncertain. In the original description, no standard diagnosis was presented and the descriptive informa...
Located in the Pantanal of Miranda-Abobral, the Baía da Medalha is the largest pond close to the Base de Estudos do Pantanal of the Universidade Federal de Mato Grosso do Sul. The Baía da Medalha has been a study site for several didactic and scientific projects for years. Nevertheless, its fish fauna has never been inventoried. Based on data colle...
Here we provide a new record of Riggia acuticaudata parasitizing the armored catfish, Ancistrus sp., from the
Paraguay River basin, Brazil. On May and July 2010, 27/47 (57.4%) specimens of Ancistrus sp. collected in 2 streams at Corguinho municipality in the state of Mato Grosso do Sul, were found to be parasitized by R. acuticaudata. This is the s...
Herein we report the first record of Megalechis picta in the Brazilian Pantanal based in a single specimen captured in a tributary to the rio Miranda, municipality of Corumbá, rio Paraguay basin, State of Mato Grosso do Sul, Brazil. Additional discussion about its co-occurrence with M. thoracata is also provided.
We developed a framework to incorporate biodiversity information about target species based on expert knowledge into landscape metrics in order to subsidize conservation planning. Four steps make up our framework: 1) biodiversity expert consults, 2) processing and organizing the information, 3) validating the information and 4) incorporating biodiv...
Hypostomus cochliodon group is a monophyletic clade of 20 valid species of Neotropical armored catfishes that is widely distributed throughout South America. Recently, specimens identified as H. cochliodon from the type locality and nearby localities were examined, and found to include representatives of more than one species. A redescription of H....
Uma espécie nova de Corydoras é descrita da bacia do
baixo rio Paraná, logo a jusante da barragem de Itaipu, Brasil, próximo a
fronteira com o Paraguai. A espécie nova pode ser distinguida da maioria de suas
congêneres pelo infraorbital 2 com uma expansão laminar posterior
conspicuamente reduzida, primeiro e segundo raios ramificados da nadadeira d...
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...
A new unicuspid-toothed armored catfish species of Hypostomus is described from the Bodoquena Plateau, rio Paraguai basin, Mato Grosso do Sul State, Brazil. The new species is distinguished from its congeners, with exception of H. fonchii, by having unicuspid teeth (vs. bicuspid teeth); from H. fonchii it is distinguished by having median series of...
Herein we report the second record for Leporinus tigrinus in the Upper Paraná River basin, based on two
specimens collected during field studies at Sucuriú River, Mato Grosso do Sul State and two specimens from Claro River, Goiás State. These records extend the species’ distribution in approximately 500 km southwards from the first record in Corumb...
Herein we report the first record of Megalechis picta in the upper Rio Paraná basin based in a single specimen captured in the Corumbá IV Reservoir, Rio Paranaíba drainage, State of Goiás, Brazil. Additional discussion about geographic distribution of congeners is also provided.
A new species of Corydoras is described from the rio São Francisco basin in northeastern Brazil, Minas Gerais and Bahia States. The new species is distinguished from most of its congeners by the anterior portion of the infraorbital 1 very large, conspicuously expanded towards the anteroventral margin of the snout and almost entirely covering its la...
Morphological and genetic evidences suggest that Rhamdia branneri and Rhamdia voulezi, currently considered synonymous of Rhamdia quelen, are in fact two valid species. Furthermore, in the taxonomic evision of R. quelen, no exemplars from the Iguaçu River were examined, which makes the synonymy doubtful. Considering the two species as valid, it was...
