Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Jonathan Valdiviezo"'
Autor:
Guuske P Tiktak, Alexandria Gabb, Margarita Brandt, Fernando R Diz, Karla Bravo-Vásquez, César Peñaherrera-Palma, Jonathan Valdiviezo-Rivera, Aaron Carlisle, Louise M Melling, Bradley Cain, David Megson, Richard Preziosi, Kirsty J Shaw
Publikováno v:
PLoS ONE, Vol 19, Iss 4, p e0300383 (2024)
Threatened shark species are caught in large numbers by artisanal and commercial fisheries and traded globally. Monitoring both which shark species are caught and sold in fisheries, and the export of CITES-restricted products, are essential in reduci
Externí odkaz:
https://doaj.org/article/e5285f5d81ae4a91bd4869560ea094b4
Autor:
Adán F. Mar-Silva, Pindaro Diaz-Jaimes, Cristina Domínguez-Mendoza, Omar Domínguez-Domínguez, Jonathan Valdiviezo-Rivera, Eduardo Espinoza-Herrera
Publikováno v:
PeerJ, Vol 11, p e15029 (2023)
Background The lack of barriers in the marine environment has promoted the idea of panmixia in marine organisms. However, oceanographic conditions and habitat characteristics have recently been linked to genetic structure in marine species. The Tropi
Externí odkaz:
https://doaj.org/article/76227be7536346159e52212421a39bbf
Autor:
Mauro Nirchio Tursellino, Marcelo de Bello Cioffi, Francisco de Menezes Cavalcante Sassi, Geize Aparecida Deon, Claudio Oliveira, Mariana Kuranaka, Jonathan Valdiviezo-Rivera, Víctor Hugo Gonzalez, Anna Rita Rossi
Publikováno v:
Genes, Vol 14, Iss 9, p 1662 (2023)
The plecos (Loricariidae) fish represent a great model for cytogenetic investigations due to their variety of karyotypes, including diploid and polyploid genomes, and different types of sex chromosomes. In this study we investigate Transancistrus san
Externí odkaz:
https://doaj.org/article/2c57b2ee225e4aeb914a018633b21c06
Publikováno v:
Check List, Vol 17, Iss 4, Pp 1181-1185 (2021)
Hemigrammus unilineatus (Gill, 1858) (Characidae) is rediscovered in Yasuní National Park, eastern Ecuador, where it has not been reported since 1987. We present a detailed taxonomic description, including measurements and photographs, as well as a
Externí odkaz:
https://doaj.org/article/3e412abd78654f22b0f5e5b142364cac
Autor:
Mauro Nirchio, Claudio Oliveira, Marcelo de Bello Cioffi, Francisco de Menezes Cavalcante Sassi, Jonathan Valdiviezo, Fabilene Gomes Paim, Leticia Batista Soares, Anna Rita Rossi
Publikováno v:
Genes, Vol 14, Iss 2, p 306 (2023)
Ancistrus Kner, 1854, is the most diverse genus among the Ancistrini (Loricariidae) with 70 valid species showing a wide geographic distribution and great taxonomic and systematic complexity. To date, about 40 Ancistrus taxa have been karyotyped, all
Externí odkaz:
https://doaj.org/article/4de88599876f4e40923623a4cdd2ec84
Publikováno v:
Caldasia, Vol 42, Iss 1, Pp 181-187 (2020)
Los estudios sobre hábitos alimentarios de comunidades acuáticas ayudan a entender cómo estas inter-actúan, y considerando que los peces de páramo han sido muy poco investigados, se analizó la dieta y se contribuyó al entendimiento de la ecolo
Externí odkaz:
https://doaj.org/article/961a8223dafd494281300c71422eeb00
Publikováno v:
Check List, Vol 16, Iss 2, Pp 317-322 (2020)
A review of the species of the genus Mylossoma Eigenmann & Kennedy, 1903 found in the Ecuadorian Cis-Andean region was conducted. Two species were recognized: M. albiscopum (Cope, 1872) from the Putumayo, Napo, and Tigre river basins and M. aureum (A
Externí odkaz:
https://doaj.org/article/8ef0bfeae13443308ad042cf83c0414a
Publikováno v:
Neotropical Ichthyology, Vol 18, Iss 2 (2020)
ABSTRACT A new species of catfish is described from the Esmeraldas River Basin, Pacific slope, northern Ecuador. Tentatively included in Microglanis, represents the second species of the genus inhabiting the Trans-Andean region. The new species is di
Externí odkaz:
https://doaj.org/article/a8e799ac2dd147669448a831b4f56bbf
Publikováno v:
Check List, Vol 14, Iss 1, Pp 55-75 (2018)
An annotated list of the freshwater fishes of the Limoncocha Lagoon, in the Limoncocha Biological Reserve in the northern Amazon region of Ecuador is presented. Fishes were captured between March and July of 2012, and we combined these results with p
Externí odkaz:
https://doaj.org/article/22578a2b3b67476284e50ce7a4603fee
Publikováno v:
Biota Colombiana, Vol 17, Iss 2, Pp 89-97 (2017)
La fecundidad relativa en peces es la estimación de la cantidad de ovocitos de una hembra por desove. Este aspecto se investigó en especímenes topotipos de Grundulus quitoensis de la laguna altoandina El Voladero, Ecuador. Se identificó el estadi
Externí odkaz:
https://doaj.org/article/7859cdb57b3b4ca18d8f2381aab3d1c4