Results 41 to 50 of about 477 (128)

Revisiting the History of Ornamental Aquaculture in Europe to Understand the Benefits and Drawbacks of Freshwater Fish Imports

open access: yesReviews in Aquaculture, Volume 17, Issue 2, March 2025.
ABSTRACT Ornamental aquaculture and fishkeeping are very popular with millions of enthusiasts worldwide. The number of newly imported fish species for ornamental purposes grew slowly from World War I until the 1980s. It then exponentially increased until now with more than 7900 species and a large number of scientifically undescribed morphotypes.
Jindřich Novák   +16 more
wiley   +1 more source

Freshwater fish as hosts for parasites in Australia: How much do we really know?

open access: yesEcology of Freshwater Fish, Volume 33, Issue 1, January 2024.
Abstract Australia has a highly endemic freshwater fish fauna, but basic biological knowledge for most is lacking. This includes an understanding, and description, of their parasite fauna. Additionally, the impacts of introduced fish species, and their parasites which have transferred across to native species, are also mostly unknown.
Diane P. Barton, Shokoofeh Shamsi
wiley   +1 more source

Histología y morfometría del ojo del pez dulceacuícola Paracheirodon axelrodi (Characiformes: Characidae)

open access: yesRevista de Biología Tropical, 2008
El pez dulceacuícola P. axelrodi es de gran importancia comercial en la Orinoquía Colombiana y a nivel mundial, pero carece de estudios acerca de su visión. Se utilizaron diez individuos, con longitud total promedio de 2.7 cm (SD= 0.2, n= 20). Se realizaron cortes a 8 μm y se tiρeron con H-E.
Tovar, Mario O.   +4 more
openaire   +6 more sources

Protozoários e metazoários parasitos do cardinal Paracheirodon axelrodi Schultz, 1956 (Characidae), peixe ornamental proveniente de exportador de Manaus, Estado do Amazonas, Brasil = Protozoan and metazoan parasites of the cardinal Paracheirodon axelrodi Schultz, 1956 (Characidae), ornamental fish originating from exporter from Manaus, Amazonas State, Brazil

open access: yesActa 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 ...
Jefferson Raphael Gonzaga Lemos   +2 more
doaj  

Vibrio cholerae non-O1/non-O139 infection in fish in the Czech Republic

open access: yesVeterinární Medicína, 2015
Pathogenic Vibrio cholerae non-O1/non-O139 was isolated from the fry of the Cardinal tetra, Paracheirodon axelrodi and in adult Raphael catfish, Platydoras costatus kept in aquarium conditions.
J. Rehulka   +3 more
doaj   +1 more source

Paracheirodon axelrodi

open access: yes, 2010
Autapomorphies of Paracheirodon axelrodi: 1. Form of mesethmoid spine (27): (0> 1) relatively short, with premaxillae articulating with each other anterior to mesethmoid. Paralleled in nodes 225 and 234 and in Chalceus macrolepidotus. 2. Number of rows of premaxillary teeth (122): (1> 0) one.
openaire   +2 more sources

Mycobacterial infection in aquarium fish

open access: yesVeterinární Medicína, 2003
In the first part of the study, 70 aquarium fish of different species, originating from stocks from the CzechRepublic, were pathomorphologically examined for the presence of granulomatous lesions. Granulomas were diagnosed in 44 (62.9%) fish. From these,
P. Lescenko   +7 more
doaj   +1 more source

Estudio Morfométrico y topológico del cerebro del pez Neón Cardenal, Paracheirodon axelrodi (Characiformes: Characidae)

open access: yesActualidades Biológicas, 2013
Este trabajo consistió en identificar y describir la anatomía externa e interna del cerebro de Paracheirodon axelrodi (Schultz, 1956, Characiformes: Characidae).
Martha J. Obando-Bulla   +5 more
semanticscholar   +1 more source

[Histology and morphometry of the in the freshwater Paracheirodon axelrodi (Characiformes: Characidae)].

open access: yesRevista de biologia tropical, 2010
The visual system of Teleost fishes has a wide range of adaptations. The eye has suffered modifications, mainly towards better sensitivity and visual resolution according to specific environmental conditions. In that way, this organ is so important for survival.
Mario O, Tovar   +4 more
openaire   +1 more source

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