Results 31 to 40 of about 793 (179)

Dermocystidiosis induced by the parasite Dermocystidium sp. in the Paracheirodon axelrodi [PDF]

open access: green, 2018
The Rio Negro floodplain (tributary of the Amazon River) is a natural habitat of the cardinal tetra Paracheirodon axelrodi. In home aquaria, this species has high vulnerability to superficial infetions and is affected by the protist Dermocystidium ...
Andres Laube, P. F.   +5 more
core   +2 more sources

Densidade e distribuição dos cromatóforos na pele do cardinal tetra (Paracheirodon axelrodi Schultz 1956) após exposição à luz intensa [PDF]

open access: green, 2015
Os peixes podem apresentar diversas formas e aparências ligadas diretamente às condições do meio ambiente ou a tipos diferentes de relações ecológicas.
Regiane Monteiro Linhares
core   +2 more sources

Biologia reprodutiva e desenvolvimento embrionário e larval do cardinal tetra, Paracheirodon axelrodi Schultz, 1956 (Characiformes: Characidae), em laboratório

open access: yesBoletim do Instituto de Pesca, 2018
Paracheirodon axelrodi, ou cardinal tetra, é um peixe ornamental cuja ocorrência natural está restrita í­Â  Bacia dos Rios Negro e Orinoco. É encontrado principalmente em igarapés de água preta e ácida com baixa velocidade de fluxo, e sua biologia ...
Hélio Daniel Beltrão dos Anjos   +1 more
doaj   +1 more source

Ökologie des Cardinal-Tetra Paracheirodon axelrodi (Pisces, Characoidea) im Stromgebiet des Rio Negro/Brasilien sowie zuchtrelevante Faktoren

open access: green, 1984
This paper covers the ecological development of the major ornamental fish Paracheirodon axelrodi found in rain forest streams (almost "clear-water") in the region of the middle and upper Rio Negro. Limnochemical conditions in these extremely nutrient-poor waters during both the low and high water seasons over the spawning period, as well as breeding ...
Rolf Geisler, Sergio A. Annibal
openalex   +2 more sources

Fluorescence Detection of the Ornamental Fish Cardinal Tetra (Paracheirodon axelrodi) [PDF]

open access: yesPhotochemistry and Photobiology, 2009
AbstractThe fluorescence spectra of the tropical fish, Cardinal Tetra (Paracheirodon axelrodi), originating in the Amazon region of Brazil, were determined. These spectra were then treated using factor analysis, generating two contributing spectra and separating out the noise.
Richard P, Brinn   +3 more
openaire   +2 more sources

Identifying potential emerging invasive non‐native species from the freshwater pet trade

open access: yesPeople and Nature, Volume 5, Issue 6, Page 1948-1961, December 2023., 2023
Abstract An increasingly globalised world has facilitated the movement of non‐native species (NNS) via the poorly regulated international pet trade. While focus is increasingly being placed on preventative action to combat invasive NNS—often cheaper and less difficult than the management of established populations—successful prevention requires ...
James W. E. Dickey   +5 more
wiley   +1 more source

Parasitic fauna of eight species of ornamental freshwater fish species from the middle Negro River in the Brazilian Amazon Region. [PDF]

open access: yes, 2017
Para estudos parasitológicos, 27 espécimes de cardinal Paracheirodon axelrodi, 33 rosa-céu Hyphessobrycon copelandi (Characidae), 28 peixes borboleta Carnegiella strigata e 26 Carnegiella martae (Gasteropelecidae), 27 bodó ou cascudo Ancistrus hoplogenys
DIAS, M. T.   +2 more
core   +1 more source

Infection of the Carpathian brook lamprey (Eudontomyzon danfordi Regan, 1911) with a dermocystid parasite in the Tisza River Basin, Hungary

open access: yesJournal of Fish Diseases, Volume 43, Issue 12, Page 1571-1577, December 2020., 2020
Abstract The Carpathian brook lamprey (Eudontomyzon danfordi Regan, 1911) is an endemic protected species of Cephalaspidomorphi in the Carpathian Basin. No parasites have become known from these jawless vertebrates to date. Here, the authors describe an infection from a single specimen manifesting in protuberant skin cysts 7–10 mm in diameter ...
Boglárka Sellyei   +7 more
wiley   +1 more source

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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