Results 31 to 40 of about 619 (114)
External Morphology of Lophiosilurus alexandri Steindachner, 1876 during Early Stages of Development, and Its Implications for the Evolution of Pseudopimelodidae (Siluriformes). [PDF]
PLoS ONE, 2016 Pseudopimelodidae are Neotropical catfishes characterized by having slightly to strongly depressed body in fully developed specimens. The largest species of the family with 500 mm SL, Lophiosilurus alexandri, experiences impressive changes in body shape ...
Fernando Massayuki Assega +3 more
doaj +1 more source
Environmental DNA, Volume 5, Issue 6, Page 1351-1361, November 2023., 2023 The performance of a taxonomy‐free approach using ASV/MOTUs was not as precise as assigning DNA reads to species using a curated 12S library that includes approximately 100 fish species since more than one ASV/MOTU was observed for the same specimen.
Heron Oliveira Hilário +3 more
wiley +1 more source
Hearing in catfishes: 200 years of research
Fish and Fisheries, Volume 24, Issue 4, Page 618-634, July 2023., 2023 Abstract Ernst Weber stated in 1819, based on dissections, that the swimbladder in the European wels (Silurus glanis, Siluridae) and related cyprinids serves as an eardrum and that the ossicles connecting it to the inner ear function as hearing ossicles similar to mammals. In the early 20th century, K.
Friedrich Ladich
wiley +1 more source
A meta‐analytic review of monoterpene for fish anaesthesia
Fish and Fisheries, Volume 24, Issue 3, Page 367-380, May 2023., 2023 Abstract The use of anaesthetic agents has been increasing to address the welfare needs of different fish species in scientific and aquaculture practices. MS‐222 is the most used synthetic anaesthetic but some limitations and side effects have been reported.
Luís Félix +3 more
wiley +1 more source
New phylogenetic insights into the African catfish families Mochokidae and Austroglanididae
Journal of Fish Biology, Volume 100, Issue 5, Page 1171-1186, May 2022., 2022 Abstract Several hundred catfish species (order: Siluriformes) belonging to 11 families inhabit Africa, of which at least six families are endemic to the continent. Although four of those families are well‐known to belong to the ‘Big‐Africa clade’, no previous study has addressed the phylogenetic placement of the endemic African catfish family ...
Frederic D. B. Schedel +7 more
wiley +1 more source
Journal of Fish Biology, Volume 99, Issue 4, Page 1158-1189, October 2021., 2021 ABSTRACT Freshwater fish communities in Ecuador exhibit some of the highest levels of diversity and endemism in the Neotropics. Unfortunately, aquatic ecosystems in the country are under serious threat and conditions are deteriorating. In 2018–19, the government of Ecuador sponsored a series of workshops to examine the conservation status of Ecuador's ...
Windsor E. Aguirre +15 more
wiley +1 more source
Phylogeography of the Neotropical catfish Pimelodus albicans (Siluriformes: Pimelodidae) from río de la Plata basin, South America, and conservation remarks [PDF]
, 2008 Pimelodus albicans Valenciennes, 1840 (common name "moncholo" or "bagre blanco") is an endemic species of the family Pimelodidae in the río de la Plata basin.
Azpelicueta, María de las Mercedes +2 more
core +8 more sources
Cytogenetic Analyses of Pseudopimelodus mangurus (Teleostei: Siluriformes: Pseudopimelodidae)
CYTOLOGIA, 2004 The cytogenetic analyses showed that Pseudopimelodus mangurus has a diploid number of 2n=54 chromosomes (6M, 26SM, 12ST and 10A), single Ag-NORs on the short arm of a middle-sized ST pair, identified as pair 19, and a very small amount of C-band positive segments in two chromosome pairs. The Ag-NORs are C-band positive.
Martinez, Emanuel Ricardo Monteiro +2 more
openaire +4 more sources
Zebrafish, 2018 Abstract Several neotropical Siluriformes groups suffered important taxonomic revisions based on the evaluation of morphological and molecular characteristics that allow the construction of new phylogenetic hypothesis. In the present study were cytogenetically analyzed six species belonging to Heptapteridae (
González Gouveia, Juceli +5 more
openaire +3 more sources
Genetics and Molecular Biology, 2008 Two Siluriformes species endemic to the São Francisco River basin were characterized by conventional and differential cytogenetic analyses involving C-banding, Ag-nucleolar organizer region (NOR) and chromomycin A3 (CMA3) staining, and FISH (fluorescent ...
Marilza Barbosa de Almeida Marques +3 more
doaj +1 more source