scholarly journals New records of the occurrence of Megaleporinus macrocephalus () (Characiformes, Anostomidae) from the basins of the Itapecuru and Mearim rivers in Maranhão, Northeastern Brazil

2022 ◽  
Vol 82 ◽  
Author(s):  
M. S. Almeida ◽  
P. S. S. Moraes ◽  
M. H. S. Nascimento ◽  
J. L. O. Birindelli ◽  
F. M. Assega ◽  
...  

Abstract The “piaussu”, Megaleporinus macrocephalus is an anostomatid fish species native to the basin of the Paraguay River, in the Pantanal biome of western Brazil. However, this species has now been recorded in a number of other drainages, including those of the upper Paraná, Uruguay, Jacuí, Doce, Mucuri, and Paraíba do Sulrivers. This study presents two new records of the occurrence of M. macrocephalus, in the basins of the Itapecuru and Mearim rivers in the state of Maranhão, in the Brazilian Northeast. The piaussu is a large-bodied fish of commercial interest that is widely raised on fish farms, and its occurrence in the Itapecuru and Mearim rivers is likely the result of individuals escaping from fish tanks when they overflow during the rainy season. Morphological analyses and sequences of the Cytochrome Oxidase Subunit I (COI) gene confirmed the taxonomic identification of the specimens as M. macrocephalus. The COI sequences were 99.66% similar to those of M. macrocephalus deposited in the BOLDSystems database. These records extend the known distribution of M. macrocephalus to the basins of the Itapecuru and Mearim rivers in the Brazilian Northeast, highlighting a new case of introduction of exotic fish species into Brazilian river basins.

Zootaxa ◽  
2019 ◽  
Vol 4674 (4) ◽  
pp. 426-438
Author(s):  
CHENGLONG CAO ◽  
SIYAO HUANG ◽  
YONGQIANG XU ◽  
HAOMIN WU ◽  
TIANPENG CHEN ◽  
...  

The specimens of the family Hesperiidae collected from Tibet during 2016–2018 are identified using morphology. COI sequences of 76 individuals are newly obtained. The result of our morphological study is congruent with COI gene analyses. Maximum likehood (ML) and Bayesina inferences (BI) analyses reveal that individuals identified morphologically as the same species cluster cohesively. The minimum interspecific genetic distance is 1.7% between Halpe aucma and H. filda, and the genetic distance between conspecific individuals ranged from 0 to 0.2% for the genus Halpe. A total of 51 species are recognized, and six of them, Celaenorrhinus consanguineus Leech, 1891, Barca bicolor (Oberthür, 1896), Aeromachus propinquus Alphéraky, 1897, Pedesta bivitta (Oberthür, 1886), Baoris penicillata chapmani Evans, 1937, and Ochlodes brahma Moore, 1878, are reported from Tibet for the first time, and the last species is new to China. 


2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Alexandre dos Santos Rodrigues ◽  
José Henrique Souza Galdino Brandão ◽  
Jamille de Araújo Bitencourt ◽  
Ricardo Jucá-Chagas ◽  
Iracilda Sampaio ◽  
...  

Lignobrycon myersiis a threatened freshwater fish species and endemic of a few coastal rivers in northeastern Brazil. Even though the Brazilian laws prohibit the fisheries of threatened species,L. myersiis occasionally found in street markets, being highly appreciated by local population. In order to provide a reliable DNA barcode dataset forL. myersi, we compared mitochondrial sequences of cytochrome c oxidase subunit I (COI) from fresh, frozen, and salt-preserved specimens. Phylogenetically related species (Triportheusspp.) and other fish species (Astyanax fasciatus) commonly mixed withL. myersiin street markets were also included to test the efficiency of molecular identification. In spite of the differences in conservation processes and advanced deterioration of some commercial samples, high-quality COI sequences were obtained and effective in discriminatingL. myersispecimens. In addition, while populations from Contas and Almada River basins seem to comprise a single evolutionary lineage, the specimens from Cachoeira River were genetically differentiated, indicating population structuring. Therefore, DNA barcoding has proved to be useful to trace the illegal trading ofL. myersiand to manage threatened populations, which should focus on conservation of distinct genetic stocks and mitigation on human impacts along their range.


Check List ◽  
2019 ◽  
Vol 15 (3) ◽  
pp. 479-483 ◽  
Author(s):  
Edson Lourenço da Silva ◽  
Manuella Feitosa Leal ◽  
Orianna dos Santos ◽  
Adriana Josefa da Rocha ◽  
Ana Carolina Landim Pacheco ◽  
...  

Melanoides tuberculata (Müller, 1774) was recorded during field surveys of the malacofauna of Território Vale do Guaribas in Piauí state, northeastern Brazil. Individuals were observed every month (June 2017–September 2018) in both lotic and lentic habitats. Considering that M. tuberculata has high reproductive and adaptative capacities besides being an intermediate host of digenetic trematodes, this invasive species is expected to be a threat to native biodiversity. Furthermore, it may become a serious environmental problem considering the multiple uses of the water bodies where it lives.


Check List ◽  
2020 ◽  
Vol 16 (5) ◽  
pp. 1289-1303
Author(s):  
Josival Francisco Araújo ◽  
Fernando Augusto Barbosa Silva ◽  
Rita de Cássia de Moura

The diversity of dung beetles is still underestimated in northeastern Brazil. Recent collections have revealed new records of the following species: Canthon histrio (Lepeletier de Saint-Fargeau & Audinet-Serville, 1828), Coprophanaeus acrisius (MacLeay, 1819), Coprophanaeus dardanus (MacLeay, 1819), Deltochilum alpercata Silva et al., 2015, Deltochilum brasiliense (Castelnau, 1840), Dichotomius gilletti Valois et al., 2017, Dichotomius iannuzziae Valois et al., 2017, Eurysternus calligrammus Dalman, 1824, Eurysternus parallelus Castelnau, 1840, Oxysternon silenus Castelnau, 1840, and Phanaeus splendidulus (Fabricius, 1781). These records are discussed in light of the known biogeography of each species.


Check List ◽  
2015 ◽  
Vol 11 (3) ◽  
pp. 1659 ◽  
Author(s):  
José Garcia Júnior ◽  
Marcelo Francisco Nóbrega ◽  
Jorge Eduardo Lins Oliveira

An updated and reviewed checklist of coastal fishes of the Rio Grande do Norte state, northeastern coast of Brazil, is presented. Between 2003 and 2013 the occurrence of fish species were recorded through collection of specimens, landing records of the artisanal fleet, literature reviews and from specimens deposited in ichthyological collections. A total of 459 species from 2 classes, 26 orders, 102 families and 264 genera is listed, with 83 species (18% of the total number) recorded for the first time in the study area. Additionally, Halichoeres radiatus, Lachnolaimus maximus and Canthigaster james­tyleri are reported for the first time in the Brazilian coast and nine other species have their geographic distribution extended.


Check List ◽  
2014 ◽  
Vol 10 (6) ◽  
pp. 1541 ◽  
Author(s):  
Patrício A. Rocha ◽  
Mônica A. Pedroso ◽  
Anderson Feijó ◽  
Newton Gurgel Filho ◽  
Bruno A. T. P. Campos ◽  
...  

The subfamily Desmodontinae encompasses the only mammals known to feed exclusively on the blood of other vertebrates. This study provides records of the desmodontine bat Diphylla ecaudata from a major gap in its known distribution in northeastern Brazil. Specimens were captured at five localities, all associated with caves. Two of these sites are located in the state of Sergipe, two in Bahia, and one in Ceará. The record of D. ecaudata from Ceará is the first for this state.


Check List ◽  
2021 ◽  
Vol 17 (1) ◽  
pp. 159-165
Author(s):  
German Antonio Villanueva-Bonilla ◽  
Diego Galvão de Pádua ◽  
Jober Fernando Sobczak

We record for the first time the species Pimpla croceiventris (Cresson, 1868), P. golbachi (Porter, 1970), and P. sumichrasti Cresson, 1874, belonging to the Pimplini tribe (Ichneumonidae, Pimplinae), in northeastern Brazil. These species have been recorded in the south and southeast of Brazil, except for P. croceiventris, which has also been recorded in the north of the country. Regarding the development of larvae and its physiological characteristics, Pimpla Fabricius, 1804 is one of the most well-studied genera within ichneumonids. These new distribution records will contribute to the understanding of physiological tolerances in different habitats as well as discoveries of new parasitoid-host interactions in new environments.


Limnetica ◽  
2008 ◽  
Vol 27 (1) ◽  
pp. 189-194
Author(s):  
Virgilio Hermoso ◽  
Francisco Blanco-Garrido ◽  
José Prenda

2018 ◽  
Vol 2 (1) ◽  
pp. 60
Author(s):  
Flavio De Almeida Alves-Jr. ◽  
Ângela Ferreira Pereira ◽  
Marina de Sá Leitão Câmara de Araújo

<p style="text-align: justify;">O caranguejo do gênero <em>Acanthocarpus</em> Stimpson, 1871 tem hábitos bentônicos, ocorrendo na plataforma continental em substratos de cascalhos ou lamosos com ocorrência em todos os oceanos, especialmente entre 20-522 m de profundidade. Neste trabalho, nós reportamos a ocorrência de <em>Acanthocarpus alexandri</em> Stimpson, 1871 e <em>A. bispinosus</em> A. Milne-Edwards, 1880 para a Bacia Potiguar (Rio Grande do Norte), localizada na região nordeste do Brasil e aumentamos o conhecimento sobre aspectos distribucionais das espécies para a costa brasileira.</p><p style="text-align: justify;"><strong>Palavras chave</strong>: Bacia Potiguar, registros adicionais, distribuição geográfica, caranguejos braquiúros, plataforma continental.</p><p style="text-align: justify;"><strong>Abstract</strong>: The gladiator box crab of the genus <em>Acanthocarpus</em> Stimpson, 1871 has benthonic habits, occurring in continental shelf on gravel or muddy substrates with occurrence in all oceans, especially between 20-522 m depth. In this paper we report the occurrence of <em>Acanthocarpus alexandri</em> Stimpson, 1871 and <em>A. bispinosus</em> A. Milne-Edwards, 1880 from the Potiguar Basin (Rio Grande do Norte), located in the Brazilian northeast and increase the knowledge about the distributional aspects of this species from Brazilian coast.</p><p style="text-align: justify;"><strong>Key words</strong>: Potiguar Basin, further records, geographic distribution, brachyuran crabs, continental shelf.</p>


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