Results 31 to 40 of about 6,049 (231)
Papéis Avulsos de Zoologia, 2012 Leporinus obtusidens Valenciennes, 1837 and L. elongatus Valenciennes, 1850 are redescribed based on the type specimens, including those of their junior synonyms, and recently collected specimens.
Heraldo A. Britski +2 more
doaj +1 more source
Neotropical Ichthyology, 2021 A new species of Rhyacoglanis is described from the rapids of Jatobal, Pará State, Brazil. This species differs from the congeners by fusing hypurals 3, 4, and 5 (vs. hypural 5 free).
Oscar A. Shibatta +2 more
doaj +1 more source
Hydromechanics of swimming propulsion. Part 3. Swimming and optimum movements of slender fish with side fins [PDF]
, 1971 This paper seeks to evaluate the swimming flow around a typical slender fish whose transverse cross-section to the rear of its maximum span section is of a lenticular shape with pointed edges, such as those of spiny fins, so that these side edges are ...
Wu, T. Yao-Tsu
core +1 more source
Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae) [PDF]
Neotropical Ichthyology, 2020 Tatia comprises twenty-five valid species, distributed in the main inland watersheds of South America, including the Orinoco, Essequibo, and coastal rivers of Suriname, Amazon, upper rio Paraná and São Francisco basins.
Jordson de Souza e Souza +3 more
doaj +1 more source
Callichthyidae (Ostariophysi: Siluriformes) dissection protocol v1 [PDF]
, 2018 This protocol shows how to dissect callichthyid fishes without losing importante anatomical information about the relative position and shape of internal organs.
Karina Carvalho F. Ferreira +1 more
openaire +1 more source
Neotropical Ichthyology, 2021 A good taxonomic assessment of specimens is an essential task to many biological studies and DNA data have provided additional sources of information to assist in the disentanglement of taxonomic problems among living organisms, as has been the case of ...
A. F. Nogueira +3 more
semanticscholar +1 more source
The complete mitochondrial genome of the Chinese hook snout carp Opsariichthys bidens (Actinopterygii : Cyprinifonnes) and an altemative pattem of mitogenomic evolution in vertebrate [PDF]
, 2007 The complete mitochondrial genome sequence of the Chinese hook snout carp, Opsariichthys bidens, was newly determined using the long and accurate polymerase chain reaction method.
He, Shunping +4 more
core +1 more source
, 2021 Pangasiid catfishes have most diverse morphotype among members in the family. In the past, misidentification often occurred for the species definition.
R. Gustiano +4 more
semanticscholar +1 more source
Cardiac myoglobin deficit has evolved repeatedly in teleost fishes [PDF]
, 2014 Peer reviewedPublisher ...
Collins MR +3 more
core +2 more sources
Zoological Journal of the Linnean Society, 2020 The lateral-line system has been traditionally recognized as an important source of phylogenetic information for different groups of fishes. Although extensively studied in Siluriformes and Cypriniformes, the lateral-line system of Characiformes remained
M. Pastana, F. A. Bockmann, A. Datovo
semanticscholar +1 more source