Results 61 to 70 of about 172 (137)

Pools and rapids as spawning and nursery areas for fish in a river stretch without floodplains

Neotropical Ichthyology
This study aimed to evaluate the importance of two environments situated in the main channel of the Peixe River (a tributary of the upper Uruguay River) on fish reproduction and initial growth.
Sunshine de Ávila-Simas, David Augusto Reynalte-Tataje, Evoy Zaniboni-Filho   +2 more
doaj   +1 more source

Moving beyond classical markers of water quality: detection of enteric viruses and genotoxicity in water of the Sinos River

Brazilian Journal of Biology
It is well recognized that the classical biological and chemical markers of environmental pollution do not necessarily indicate the presence or absence of emerging threats to public health, such as waterborne viruses and genotoxicants.
B Bergamaschi, MT Rodrigues, JVS Silva, M Kluge, RB Luz, JD. Fleck, E Bianchi, LB Silva, FR Spilki   +8 more
doaj   +1 more source

The complete mitochondrial genome of Abramites hypselonotus (Günther, 1868) (Ostariophysi: Characiformes: Anostomidae): an aquarium headstander. [PDF]

Mitochondrial DNA B Resour, 2021
Lacerda-Chaves AK, Pereira AH, Kalapothakis E.   +2 more
europepmc   +1 more source

Evaluation of fish passage through the Igarapé Dam fish ladder (rio Paraopeba, Brazil), using marking and recapture

Neotropical Ichthyology
Rio Paraopeba, a tributary of rio São Francisco, has a six-meter high dam, built in 1978 to divert water to the Igarapé Thermal Power Plant. In 1994, a fish ladder was built at this dam.
Carlos Bernardo Mascarenhas Alves
doaj   +1 more source

Monitoring fish communities through environmental DNA metabarcoding in the fish pass system of the second largest hydropower plant in the world. [PDF]

Sci Rep, 2021
Dal Pont G, Duarte Ritter C, Agostinis AO, Stica PV, Horodesky A, Cozer N, Balsanelli E, Netto OSM, Henn C, Ostrensky A, Pie MR.   +10 more
europepmc   +1 more source

Three new species of Creptotrema (Trematoda, Allocreadiidae) with an amended diagnosis of the genus and reassignment of Auriculostoma (Allocreadiidae), based on morphological and molecular evidence. [PDF]

Parasite, 2021
Franceschini L, Aguiar A, Zago AC, de Oliveira Fadel Yamada P, Bertholdi Ebert M, da Silva RJ.   +5 more
europepmc   +1 more source

Oxitetraciclina para marcação quí­­mica de juvenis de piava Leporinus obtusidens: determinação de doses e duração do tratamento

Boletim do Instituto de Pesca, 2018
O objetivo deste estudo foi definir concentrações e tempos de imersão para a marcação quí­­mica de juvenis de Leporinus obtusidens por meio de oxitetraciclina (OTC).
Mariana Roza de ABREU, Túlio Barbosa ARANTES, Samara HERMES-SILVA, Evoy ZANIBONI-FILHO   +3 more
doaj  

Cytogenetic analysis of Hypomasticus copelandii and H. steindachneri: relevance of cytotaxonomic markers in the Anostomidae family (Characiformes). [PDF]

Comp Cytogenet, 2021
Salgado FS, Cunha MS, Melo S, Dergam JA.
europepmc   +1 more source

Genetic variability in five species of Anostomidae (Ostariophysi - Characiformes)

Genetics and Molecular Biology, 1999
Genetic variability was studied in five fish species (Anostomidae): Schizodon intermedius and S. nasutus and Leporinus friderici, L. elongatus and L. obtusidens, collected at one location on the Tibagi River (Paraná, Brazil).
Chiari Lucimara, Sodré Leda Maria Koelblinger   +1 more
doaj  

Are scattered microsatellites weak chromosomal markers? Guided mapping reveals new insights into Trachelyopterus (Siluriformes: Auchenipteridae) diversity. [PDF]

PLoS One, 2023
Haerter CAG, Blanco DR, Traldi JB, Feldberg E, Margarido VP, Lui RL.   +5 more
europepmc   +1 more source