Results 11 to 20 of about 173 (107)

Topological and histological description of preoptic area and hypothalamus in cardinal tetra Paracheirodon axelrodi (Characiformes: Characidae) [PDF]

open access: goldNeotropical Ichthyology, 2017
Topological and histological descriptions of the preoptic area and hypothalamus of the cardinal tetra Paracheirodon axelrodi were performed. Standard histological paraffin sections were used and stained with Nissl technique, and plastic sections for high-
Laura Rincón   +4 more
doaj   +2 more sources

The food spectrum of the cardinal - tetra (Paracheirodon axelrodi, Characidae) in its natural habitat Estratégias alimentares do cardinal-tetra (Paracheirodon axelrodi, Characidae) em seu ambiente natural [PDF]

open access: diamondActa Amazonica, 2004
The cardinal tetra (Paracheirodon axelrodi) is the most intensively commercialized ornamental fish from the Rio Negro Basin (Amazonas State, Brasil). Analysis of the stomach and gut contents of fish caught in their natural habitats show conclusively that
Ilse Walker
doaj   +2 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   +2 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   +2 more sources

ASPECTOS REPRODUCTIVOS Y MANEJO PESQUERO DEL CARDENAL (Paracheirodon axelrodi, Characidae), RELACIÓN CON REGIMEN HIDROLOGICO EN LA REGIÓN DE INÍRIDA– COLOMBIA

open access: diamondActa Biológica Colombiana, 2022
El cardenal es el principal pez ornamental explotado en la región del Inírida. A partir de ejemplares colectados desde la actividad pesquera local, se obtuvo antecedentes de estructura talla y pesos, periodos reproductivos y longitud media de madurez ...
Milton Pedraza-Garcia   +2 more
doaj   +3 more sources

Early Development Of The Tetra Cardinalfish: Paracheirodon Axelrodi Schultz 1956

open access: goldInternational Journal of Islamic Education, Research and Multiculturalism
Cardinal tetra, Paracheirodon axelrodi, merupakan ikan hias yang populer di Indonesia dan mancanegara. Penyumbang ikan hias akuarium di Rio Negro, Amerika Selatan. Komoditas ekspor ikan hias ke Amerika, Jepang dan Singapura.
Sawung Cindelaras   +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 = Protozoan and metazoan parasites of the cardinal Paracheirodon axelrodi Schultz, 1956 (Characidae), ornamental fish originating from exporter from Manaus, Amazonas State, Brazil

open access: greenActa 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   +1 more source

MORPHOMETRICAL AND TOPOLOGICAL STUDY OF CARDINAL NEON BRAIN, Paracheirodon axelrodi (CHARACIFORMS: CHARACIDAE)

open access: greenActualidades Biológicas, 2013
This work identified and described external and internal brain anatomy of Paracheirodon axelrodi (Schultz, 1956, Characiformes: Characidae). 28 individuals were sacrificed using bioethical protocols for research animal use.
Martha J. Obando-Bulla   +5 more
doaj   +2 more sources

ANALYSIS OF THE ORNAMENTAL FISH EXPORTS FROM THE AMAZON STATE, BRAZIL

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   +3 more sources

Parasites of ornamental fish commercialized in Macapá, Amapá State (Brazil)

open access: yesRevista Brasileira de Parasitologia Veterinária, 2018
This study investigated the parasites fauna of four freshwater ornamental fish species in aquarium shops of Macapá, Amapá State, in addition to survey the commercialized fish species and sanitary conditions of aquarium shops.
Érico de Melo Hoshino   +2 more
doaj   +1 more source

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