Results 41 to 50 of about 842 (172)

Genetic variability of Hypostomus (Teleostei, Loricariidae) from the Ribeirão Maringá, a stream of the upper Rio Paraná basin, Brazil

Genetics and Molecular Biology, 2005
Hypostomus strigaticeps and two morphotypes of Hypostomus were collected from Ribeirão Maringá, a small tributary of the Rio Pirapó, an effluent of the upper Rio Paraná.
Suzana de Paiva, Erasmo Renesto, Cláudio Henrique Zawadzki   +2 more
doaj   +1 more source

River Ecosystem Degradation and Its Impacts on Fish Biodiversity and Capture Fisheries in Major River Basins of Bangladesh: A Policy‐Focused Study

Aquaculture, Fish and Fisheries, Volume 6, Issue 1, February 2026.
ABSTRACT This study investigates the widespread degradation of river ecosystems in Bangladesh and its impact on fish biodiversity and identifies potential strategies for ecosystem restoration. Combining community perceptions from focus group discussions (FGDs) with fish market study for spatial analyses of fish species diversity across the Barak–Meghna,
Mohammad Mahfujul Haque, M. Zulfikar Rahman, Md. Abdus Salam, M. Asaduzzaman Sarker, M. G. Mostofa Amin, Murad Ahmed Farukh, Md. Saifullah Bin Aziz   +6 more
wiley   +1 more source

Estudo da comercialização de peixes ornamentais da família Loricariidae (Siluriformes) em Santarém/PA.

Pubvet, 2018
No Brasil, o comércio de peixes ornamentais de ambientes dulcícolas ainda depende essencialmente da atividade extrativista, principalmente na região amazônica.
Albino Luciano Portela de Sousa, Luan Aércio Melo Maciel, Luís Reginaldo Ribeiro Rodrigues   +2 more
doaj   +1 more source

Hypostomus chrysostiktos, a new species of armored catfish (Siluriformes: Loricariidae) from rio Paraguaçu, Bahia State, Brazil

Neotropical Ichthyology
Hypostomus chrysostiktos, a new species of armored catfish of the family Loricariidae, is described. The most remarkable characteristic of the new species, which allows its prompt diagnosis from congeners, is the high number of branched rays in the ...
José L. O. Birindelli, Angela M. Zanata, Flávio C. T. Lima   +2 more
doaj   +1 more source

Karyotypic diversity and evolutionary trends in the Neotropical catfish genus Hypostomus Lacépède, 1803 (Teleostei, Siluriformes, Loricariidae)

Comparative Cytogenetics, 2012
The family Loricariidae with 813 nominal species is one of the largest fish families of the world. Hypostominae, its more complex subfamily, was recently divided into five tribes. The tribe Hypostomini is composed of a single genus, Hypostomus Lacé
Anderson Alves, Rafael de Borba, Claudio Oliveira, Mauro Nirchio, Ángel Granado, Fausto Foresti   +5 more
doaj   +1 more source

First record of the leopard pleco, Pterygoplichthys gibbiceps (Actinopterygii, Loricariidae) in the Brda River in the centre of Bydgoszcz (northern Poland) [PDF]

Acta Ichthyologica et Piscatoria, 2008
Background. The presently reported finding of leopard pleco, Pterygoplichthys gibbiceps (Kner, 1854) (Loricariidae), in open waters of the Brda River in the centre of Bydgoszcz, constitutes the first record of a south-American loricariid fish species in ...
S. Keszka, R. Panicz, A. Tański
doaj   +3 more sources

Tails of Biodiversity: Vertebrate Community Assessment in a Neotropical River Basin via eDNA Metabarcoding

Environmental DNA, Volume 8, Issue 1, January–February 2026.
This study used environmental DNA (eDNA) metabarcoding to assess vertebrate biodiversity in headwater streams of the Rio Santo Antônio basin, southeastern Brazil, a tributary of the Rio Doce. A total of 119 vertebrate OTUs were identified, with oxidation–reduction potential emerging as the strongest environmental predictor of species richness.
Larissa Moreira‐Silva, Rennan Garcias Moreira, Jim Perry, Walisson Kenedy‐Siqueira, Guilherme Costa Baião, Daniel Negreiros, Fernando Figueiredo Goulart, Josimar Daniel Gomes, Geraldo Wilson Fernandes   +8 more
wiley   +1 more source

First record of Hypostomus roseopunctatus (Siluriformes: Loricariidae) for Argentina.

, 2020
Fil: Teran, Guillermo Enrique. Fundación Miguel Lillo. Dirección de Zoología. Instituto de Vertebrados. Sección Ictiología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán.
Teran, Guillermo Enrique, Aguilera, Gaston, Ruiz Diaz, Federico Jose, Koerber, Stefan, Mirande, Juan Marcos   +4 more
openaire   +2 more sources

Comparison between different protocols for DNA extraction for Hypostomus affinis [PDF]

Brazilian Journal of Biology
The sand catfish or painted catfish (Hypostomus affinis) is a species native to Brazil and has some peculiar characteristics: a flattened body covered by bony plates and fins with spikes for fixing on rocks.
M. Rodrigues-Zeferino, S. Oliveira-Olimpio, P.C. Costa-Pierro, M. Fanttini-Polese, J.D. Souza-Neto, M. Moreira-Moulin, P. Pierro-Mendonça   +6 more
doaj   +1 more source

Ultrastructure of the fertilized egg envelopes in Ancistrus cirrhosus, Loricariidae, Teleostei. [PDF]

Appl Microsc, 2020
AbstractWe examined the morphology of fertilized egg and ultrastructures of fertilized egg envelopes of Ancistrus cirrhosus belong to Loricariidae using light and electron microscopes. The fertilized eggs formed a mass on the spawning place and were yellowish, spherical, non-transparent, demersal, adhesive, and a narrow perivitelline space.
Kim DH.
europepmc   +5 more sources