Results 31 to 40 of about 335 (151)

Correction of the spelling of Trichomycterus eichhorniarum Miranda Ribeiro, 1912 (Siluriformes: Trichomycteridae)

Zootaxa, 2014
Miranda Ribeiro (1912) described Trichomycterus eichorniarum based on specimens caught between the pseudo-rhizomes of the water hyacinth Eichhornia azurea and named the species referring to this circumstance. In the description he missed an ‘h’ in both, the specific name and the provided reference to ‘Eichornea’. The latter is an orthographical variant
Koerber, Stefan, Azpelicueta, Maria de Las M.   +1 more
openaire   +3 more sources

Trichomycteridae Bleeker 1858

, 2018
Trichomycteridae Pygidium metae guayaberensis Dahl, 1960a: 307, fig. 2. Holotype (Fig. 47): ICN-MHN 435 (57.0 mm SL), Colombia, Meta, in a small pond in a brook tributary to the Guayabero River ca. 1 km from the mouth of the brook and 1500 m from the expedition camp No. 1, situated on the left bank of the Guayabero, ca.
Mojica, José Ivan, Agudelo-Zamora, Henry D.   +1 more
openaire   +2 more sources

Distribution, morphological notes and conservation status of the psammophilus Microcambeva catfishes (Siluriformes: Trichomycteridae) [PDF]

Zootaxa, 2019
Sarcoglanidinae and Glanapteryginae catfishes are among the most unusual elements of the Neotropical freshwater fish fauna. Microcambeva ribeirae, M. barbata and M. draco are miniaturized Sarcoglanidinae known to occur in sandy microhabitats in drainages of the Brazilian Atlantic Forest.
Luisa M, Sarmento-Soares, Tiago C, Pessali, Vinícius J C, Reis, Lucas S, DE Medeiros, Sergio M Q, Lima, Juliana P, Silva, Ronaldo F, Martins-Pinheiro, Mário C C, DE Pinna   +7 more
openaire   +6 more sources

Acute Effects Evaluation of HgCl2 on Epidermis of Trichomycterus brasiliensis (Siluroidei; Trichomycteridae)

Ecotoxicology and Environmental Safety, 1995
The effects of HgCl2 on the epidermis of Trichomycterus brasiliensis were studied by histological, histochemical, and ultrastructural methods. First, the normal organization of the tissue was described in order to study the HgCl2 effects on the skin structure.
C A, Oliveira Ribeiro, R F, Torres
openaire   +2 more sources

Feeding studies take guts – critical review and recommendations of methods for stomach contents analysis in fish

Journal of Fish Biology, Volume 95, Issue 6, Page 1364-1373, December 2019., 2019
Abstract Studies on the feeding ecology of fish are essential for exploring and contrasting trophic interactions and population and community dynamics within and among aquatic ecosystems. In this respect, many different methods have been adopted for the analysis of fish stomach contents.
Per‐Arne Amundsen, Javier Sánchez‐Hernández   +1 more
wiley   +1 more source

Revisão taxonômica do gênero Homodiaetus (Teleostei, Siluriformes, Trichomycteridae) [PDF]

Iheringia. Série Zoologia, 2002
The genus Homodiaetus Eigenmann & Ward, 1907 is revised and four species are recognized. Its distribution is restricted to southeastern South America, from Uruguay to Paraguay river at west to the coastal drainages of Rio de Janeiro State, Brazil.
openaire   +4 more sources

Occurence of karyotypical mosaicism in Trichomycterus paolence (Teleostei, Trichomycteridae) [PDF]

Caryologia, 2002
AbstractA chromosomal mosaic has at least two cell lineages with different karyotypes derived from a single zygote and the karyotype alteration can be numeric or structural as well. In the present paper were detected a numeric chromosomal alterations in a single specimen of Thichomycterus paolence from the Quinta stream (Itatinga, state of Sao Paulo ...
Torres, Rodrigo A., Foresti, Fausto, Oliveira, Claudio   +2 more
openaire   +2 more sources

Disentangling Environmental, Spatial and Niche Influences on Fish Beta Diversity Along the Sandy Beaches of an Amazonian River

Freshwater Biology, Volume 71, Issue 7, July 2026.
ABSTRACT Beta diversity is an important descriptor of community structuring and it plays a crucial role for understanding the patterns and processes shaping biodiversity at multiple spatial extents. We investigated the influence of local, spatial, landscape factors and niche characteristics on fish beta diversity along the Acre River in Acre, Brazil ...
Ronaldo S. Silva, Lucas P. Oliveira, Naraiana L. Benone, Jean C. G. Ortega, Antonio A. Jardim Jr, Lídia B. Seabra, Fabiano Corrêa, Lisandro J. S. Vieira, Robert M. Hughes, Luciano F. A. Montag   +9 more
wiley   +1 more source

Influence of preservation methods, sample medium and sampling time on eDNA recovery in a neotropical river

Environmental DNA, Volume 1, Issue 2, July 2019., 2019
Abstract Environmental DNA (eDNA) has rapidly emerged as a promising biodiversity monitoring technique, proving to be a sensitive and cost‐effective method for species detection. Despite the increasing popularity of eDNA, several questions regarding its limitations remain to be addressed.
Naiara G. Sales, Owen S. Wangensteen, Daniel C. Carvalho, Stefano Mariani   +3 more
wiley   +1 more source

A new catfish species of Microcambeva Costa & Bockmann, 1994 (Siluriformes: Trichomycteridae) from southern Brazil, with a redescription of M. ribeirae Costa, Lima & Bizerril, 2004

Journal of Fish Biology, Volume 109, Issue 1, Page 146-164, July 2026.
Abstract Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this ...
Lucas S. de Medeiros, Igor C. A. Souto‐Santos, Paulo A. Buckup, Juliano Ferrer, Vinicius J. C. Reis, Mario de Pinna, Sergio M. Q. Lima   +6 more
wiley   +1 more source