Results 1 to 10 of about 672 (170)

The complete mitochondrial genome of Paracheirodon axelrodi (Characiformes: Characidae) and phylogenetic studies of Characiformes [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2019
The Paracheirodon axelrodi is an important freshwater fish in the Amazon basin of South America, more expensive than Paracheirodon innesi. Here, we describe the complete 17,100 base pair (bp) mitochondrial genome of Paracheirodon axelrodi mohavensis. The
Yifan Liu   +5 more
doaj   +5 more sources

Tolerance to temperature, pH, ammonia and nitrite in cardinal tetra, Paracheirodon axelrodi, an amazonian ornamental fish Tolerância a temperatura, pH, amônia e nitrito do cardinal tetra, Paracheirodon axelrodi, um peixe ornamental da Amazônia [PDF]

open access: yesActa Amazonica, 2008
Poor water quality condition has been pointed out as one of the major causes for the high mortality of ornamental fishes exported from the state of Amazonas, Brazil.
Sarah Ragonha de Oliveira   +8 more
doaj   +12 more sources

Do body colour and sociability impact scototaxis response of fish? [PDF]

open access: yesScientific Reports
Scototaxis test is an anxiety-like test used by behavioural neuroscientists consisting in the assessment of dark/light preference of laboratory animals. This test has been widely used in fish.
Alessandra Pecunioso   +2 more
doaj   +4 more sources

Differential survivorship of congeneric ornamental fishes under forecasted climate changes are related to anaerobic potential [PDF]

open access: yesGenetics and Molecular Biology, 2018
Two Amazonian closely related tetras – cardinal Paracheirodon axelrodi and green neon P. simulans – were artificially acclimatized to environmental chambers mimicking future climate change scenarios (mild, moderate and extreme), using a microcosm ...
Luciana Mara Fé Gonçalves   +3 more
doaj   +6 more sources

Phycocharax rasbora, a new genus and species of Brazilian tetra (Characiformes: Characidae) from Serra do Cachimbo, rio Tapajós basin. [PDF]

open access: yesPLoS ONE, 2017
A new genus and species of characid fish is described from rio Braço Norte, a tributary of rio Teles Pires, Tapajós basin, Mato Groso, Brazil. The new taxa can be diagnosed from the remaining characids by a unique combination of characters that includes ...
Willian Massaharu Ohara   +2 more
doaj   +5 more sources

Phylogeography and population genetic structure of the cardinal tetra (Paracheirodon axelrodi) in the Orinoco basin and Negro River (Amazon basin): evaluating connectivity and historical patterns of diversification [PDF]

open access: yesPeerJ, 2023
The Neotropics contain one of the most diverse assemblages of freshwater fishes worldwide. Part of this diversity is shared between the Orinoco and Amazon basins.
Diana Sanchez-Bernal   +4 more
doaj   +3 more sources

Boron Oxide Nanoparticles Exhibit Minor, Species-Specific Acute Toxicity to North-Temperate and Amazonian Freshwater Fishes [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Boron oxide nanoparticles (nB2O3) are manufactured for structural, propellant, and clinical applications and also form spontaneously through the degradation of bulk boron compounds. Bulk boron is not toxic to vertebrates but the distinctive properties of
Tyson J. MacCormack   +10 more
doaj   +2 more sources

Characterization of Mitochondrial Genomes and Evolutionary Relationships in Two <i>Moenkhausia</i> (Characiformes: Acestrorhamphidae). [PDF]

open access: yesEcol Evol
This study successfully decoded the complete mitochondrial genomes of two Moenkhausia species, with total lengths of 16,439 and 16,461 bp, respectively. This study enhances genomic resources for Acestrorhamphidae and provides a foundation for investigating evolutionary mechanisms and developing molecular markers.
Sun CH, Chen XD, Zhan YJ, Xu Y, Lu CH.
europepmc   +2 more sources

Ichthyological ethnoknowledge of the “piabeiros” from the Amazon region, Brazil [PDF]

open access: yesJournal of Ethnobiology and Ethnomedicine, 2021
Background The capture of ornamental fish is one of the main economic activities of riverine families in the Amazon. However, studies regarding the local ecological knowledge of workers in this activity are still incipient.
Daniel da Silva Ladislau   +5 more
doaj   +2 more sources

ANALYSIS OF THE ORNAMENTAL FISH EXPORTS FROM THE AMAZON STATE, BRAZIL [PDF]

open access: yesBoletim do Instituto de Pesca, 2021
The updated status of the ornamental fish trade from the Amazonas state was analyzed between the years of 2006-2015 (IBAMA database). The trade of ornamental fish from Amazonas state mainly consists of species extracted from nature.
Ivan Azevedo TRIBUZY-NETO   +3 more
doaj   +5 more sources

Home - About - Disclaimer - Privacy