Acta Amazonica, 2005 No presente trabalho é feito um levantamento dos casos de dimorfismo sexual em Siluriformes e Gymnotiformes. Este levantamento se restringe às formas Neotropicais, com ênfase mais especificamente, às da Amazônia.
Lúcia H. Rapp Py-Daniel +1 more
doaj +3 more sources
Description of Encephalon Morphology of Nile Tilapia Oreochromis niloticus (Linnaeus, 1758) (Perciformes: Cichlidae) From Brazil. [PDF]
Anat Histol EmbryolABSTRACT The Nile tilapia (Oreochromis niloticus) is a cichlid species native to Africa and is widely farmed in tropical and subtropical regions around the world, making it one of the most commercially important aquaculture species. Despite its significance, there is still a lack of detailed anatomical descriptions of its brain.
Pereira ALS +5 more
europepmc +2 more sources
Benchmarking the Taxonomic Resolution of Fish eDNA Metabarcodes Against COI Barcodes. [PDF]
Mol Ecol ResourABSTRACT Even though environmental DNA metabarcoding is revolutionizing biomonitoring, many critical steps remain unstandardized, leading to arbitrary choices, particularly regarding the selection of metabarcode, clustering method and similarity threshold, among others.
Ruiz E, Lamy T, Mouillot D, Durand JD.
europepmc +2 more sources
Karyotypic diversity and evolution of Loricariidae (Pisces, Siluriformes) [PDF]
Heredity, 2004 We present cytogenetic analyses of four fish species, belonging to four Loricariidae subfamilies: Neoplecostomus microps (Neoplecostominae) with 2n=54 chromosomes, Harttia loricariformis (Loricariinae) with 2n=56 chromosomes, Hypostomus affinis (Hypostominae) with 2n=66 chromosomes and Upsilodus sp. (Upsilodinae), with 2n=96 chromosomes. In addition to
Karine Frehner Kavalco +3 more
openalex +3 more sources
The complete mitogenome of Pareuchiloglanis sichuanensis (Siluriformes: Sisoridae) [PDF]
Mitochondrial DNA Part B, 2021 Pareuchiloglanis sichuanensis is an endemic fish species in the upper reaches of the Yangtze River. In the present study, the complete mitochondrial genome of P. sichuanensis was analyzed. The mitochondrial genome, consisting of 16,774 base pairs (bp), included 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs, and a non-coding control region.
Taiming Yan +9 more
openaire +3 more sources
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
Papéis Avulsos de Zoologia, 2005 Data on new specimens of the rare subterranean catfish Phreatobius cisternarum are reported. Specimens were collected from hand-dug wells in the region of the mouth of the Amazon river, Brazil.
Janice Muriel-Cunha, Mário de Pinna
doaj +1 more source
Late Maeotian bony fish fauna in the North-Western Black Sea region (in Ukrainian)
Біологічні студії, 2013 Results of studying fossil bony fish fauna from the three Late Maeotian localities in the North-Western Black Sea region – Orikhivka, Andriivka and Novoukrainka 1 – are presented.
O. M. Kovalchuk
doaj +1 more source
Comparison between different protocols for DNA extraction for Hypostomus affinis [PDF]
Brazilian Journal of BiologyThe 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 +6 more
doaj +1 more source
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 +1 more
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