Results 41 to 50 of about 6,049 (231)

Phylogenetic relationships of Chanidae (Teleostei: Gonorynchiformes) as impacted by Dastilbe moraesi, from the Sanfranciscana basin, Early Cretaceous of Brazil [PDF]

, 2018
Fossil gonorynchiform fishes range from the Lower Cretaceous to the early Miocene, and are represented by a few dozen living species. The order is currently divided into two major clades: Gonorynchoidei, which includes the families Gonorynchidae and ...
Bockmann, Flávio A., Carvalho, Marcelo R. de, Poyato Ariza, Francisco José, Ribeiro, Alexandre C.   +3 more
core   +4 more sources

First report of four characiform fishes (Ostariophysi: Characiformes) for Uruguay [PDF]

Check List, 2013
In this article the authors present the first report of four characiform fish species for Uruguay, extending their current distribution to the middle and lower Uruguay River basin: Astyanax saguazu Casciotta, Almirón and Azpelicueta, 2003; Hypobrycon poi Almirón, Casciotta, Azpelicueta and Cione, 2001; Leporinus amae Gody, 1980; Cyphocharax saladensis (
Serra, W.S., Zarucki, M., Duarte, A., Burress, E.D., Teixeira-de-Mello, F., González-Bergonzoni, I., Loureiro, M.   +6 more
openaire   +3 more sources

Biologia e características populacionais de uma espécie rara de Pseudopimelodidae da Bacia do Alto Rio Paraná [PDF]

, 2010
Streams contain an expressive fraction of the South American fish diversity, mostly composed of small-sized, endemic, and rare species. Populational, reproductive, and diet aspects of Microglanis garavelloi were studied, aiming to make a wide ...
ARCIFA, Marlene Sofia, ESGUÍCERO, André Luiz Henríques   +1 more
core   +1 more source

A new striped species of Brachychalcinus (Ostariophysi: Characiformes) from Amapá and Pará states, northern Brazil

Neotropical Ichthyology
A new species of Brachychalcinus is described from the rio Mapaoni, rio Jari basin, and the coastal rio Araguari, Amapá and Pará states, Brazil. The new species is distinguished from all congeners, except B.
J. Garcia-Ayala, F. Lima, Cecile de Souza Gama, R. C. Benine   +3 more
semanticscholar   +1 more source

Ontogeny of the osteocranium in the African catfish, Clarias gariepinus burchell (1822) (Siluriformes: Clariidae): Ossification sequence as a response to functional demands [PDF]

, 1998
A
Adriaens, Dominique, Verraes, Walter
core   +2 more sources

Dorsolateral head muscles of the catfish families Nematogenyidae and Trichomycteridae (Siluriformes: Loricarioidei): comparative anatomy and phylogenetic analysis

Neotropical Ichthyology
The skeletal muscles of the dorsolateral region of the head of the Nematogenyidae and representatives of the all major clades of the Trichomycteridae are described and illustrated.
Aléssio Datovo, Flávio Alicino Bockmann   +1 more
doaj   +1 more source

Revalidation and redescription of Steindachnerina nigrotaenia and redescription of S. insculpta (Characiformes: Curimatidae)

Neotropical Ichthyology, 2019
Steindachnerina nigrotaenia is resurrected from the synonym of S. brevipinna and considered a valid species. The previous designation of the lectotype of S. nigrotaenia is considered invalid and a new lectotype is designated herein.
Heraldo A. Britski, Bruno F. Melo, Richard P. Vari, Claudio Oliveira   +3 more
doaj   +1 more source

Redescription of Hypoptopoma inexspectata (Holmberg, 1883), with notes on its anatomy (Siluriformes: Loricariidae). [PDF]

, 2001
Hypoptopoma inexspectata is diagnosed and redescribed based on the examination of additional material and comparison with its congeners. This poorly known hypoptopomine species is distributed in the Paraguay and Paraná river draínages.
Aquino, Adriana E., Miquelarena, Amalia M.   +1 more
core   +1 more source

Bone in vivo: Surface mapping technique [PDF]

, 2010
Bone surface mapping technique is proposed on the bases of two kinds of uniqueness of bone in vivo, (i) magnitude of the principal moments of inertia, (ii) the direction cosines of principal axes of inertia relative to inertia reference frame.
Fan, Yifang, Fan, Yubo, Li, Zhiyu, Lv, Changsheng, Zhang, Bo   +4 more
core   +5 more sources

Three new species of Hyphessobrycon (Characiformes: Characidae) from the upper rio Araguaia basin in Brazil

Neotropical Ichthyology
Three new species of Hyphessobrycon (Characiformes: Characidae) are described from the upper rio Araguaia basin. Hyphessobrycon langeanii n. sp. is distinguished from all congeners by the presence of a well-defined, round humeral spot, a reticulate color
Flávio C. T. Lima, Cristiano R. Moreira
doaj   +1 more source