Results 1 to 10 of about 173 (107)

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

open access: diamondMitochondrial 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   +4 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: goldPeerJ, 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   +4 more sources

Morphological study of the digestive tract of the cardinal tetra, Paracheirodon axelrodi (Characiformes: Characidae) [PDF]

open access: goldNeotropical Ichthyology, 2023
The cardinal tetra Paracheirodon axelrodi is a species of the family Characidae of great interest as an ornamental fish. Many aspects of the biology of this species are still unknown.
Laura Rincón   +4 more
doaj   +4 more sources

Morphological and immunohistochemical comparison of the pituitary gland between a tropical Paracheirodon axelrodi and a subtropical Aphyocharax anisitsi characids (Characiformes: Characidae) [PDF]

open access: goldNeotropical Ichthyology, 2020
Cardinal tetra Paracheirodon axelrodi and bloodfin tetra Aphyocharax anisitsi are two species of characids with high trade value as ornamental fish in South America.
Laura Rincón Camacho   +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

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: diamondActa 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   +2 more sources

Glyphosate commercial formulation effects on preoptic area and hypothalamus of Cardinal Neon Paracheirodon axelrodi (Characiformes: Characidae) [PDF]

open access: goldNeotropical Ichthyology, 2019
In Colombia the use of glyphosate commercial formulations (Roundup™) for spraying have left deleterious effects on animals and humans. Much of this spraying takes place at the Orinoco basin, habitat of one of the most exported ornamental fish in Colombia,
Camilo Riaño-Quintero   +2 more
doaj   +3 more sources

Protozoários e metazoários parasitos do cardinal Paracheirodon axelrodi Schultz, 1956 (Characidae), peixe ornamental proveniente de exportador de Manaus, Estado do Amazonas, Brasil - DOI: 10.4025/actascibiolsci.v31i1.872

open access: diamondActa Scientiarum: Biological Sciences, 2009
Os estudos sobre a parasitofauna de peixes ornamentais cultivados são de grande relevância para o conhecimento das espécies de parasitos, permitindo interferência em sua proliferação para evitar epizootias e, consequentemente, perdas econômicas na ...
Marcos Tavares Dias   +2 more
doaj   +3 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   +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

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