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Morphology and small subunit rDNA-based phylogeny of Ceratomyxa amazonensis n. sp parasite of Symphysodon discus, an ornamental freshwater fish from Amazon
(Springer, 2016)
The specious genus Ceratomyxa Thelodan, 1892, infect mainly gallbladder of marine fishes, with only five species reported infecting species from freshwater environment. This study performed morphological and phylogenetic ...
The effect of photoperiod and feeding frequency on larval of the Amazonian ornamental fish Pyrrhulina brevis (Steindachner, 1876)
(Wiley Online Library - John Wiley & Sons, 2020)
Optimal feeding frequency for Heros severus (Heckel, 1840), an Amazon ornamental fish
(Brazilian Journal of Animal Science, 2023)
Whole-body cortisol increases after direct and visual contact with a predator in zebrafish, Danio rerio
(Elsevier B.V., 2007-11-26)
Ornamental fish may be severely affected by a stressful environment. Stressors impair the immune response, reproduction and growth rate; thus, the identification of possible stressors will aid to improve the overall quality ...
Feeding level and frequency for freshwater angelfish
(Sociedade Brasileira de Zootecnia, 2012-06-01)
The objective of this study was to determine the optimal feeding level and feeding frequency for the culture of freshwater angelfish (Pterophyllum scalare). A randomized block design in a factorial scheme (3 × 2) with three ...
Intriguing evidence of translocations in Discus fish (Symphysodon, Cichlidae) and a report of the largest meiotic chromosomal chain observed in vertebrates
(Nature Publishing Group, 2009-05-01)
As part of a program to understand the genetics of Amazonian ornamental fish, classical cytogenetics was used to analyze Symphysodon aequifasciatus, S. discus and S. haraldi, popular and expensive aquarium fishes that are ...
Efeito do tipo de alimento no desempenho produtivo de juvenis de acará-bandeira (Pterophyllum scalare)
(Inst Pesca, 2010-01-01)
This study aimed to evaluate the effect of food type on growth performance and water quality of angelfish juvenile. A total of 168 angelfish Pterophyllum scalare var. marble (w(i) = 151.3 +/- 37.9 mg e l(i) = 2.2 +/- 0.07 ...
Complexo enzimático na dieta de alevinos de kinguio (Carassius auratus)
(2013-05-01)
Aiming to evaluate the enzymatic complex supplementation in diets for goldfish fingerlings (Carassius auratus), 240 fish weighing initially 1,36 ± 0,02g, randomly distributed in 20 tanks with 150L, in four treatments and ...
Effects of photoperiod on reproduction of Siamese fighting fish Betta splendens
(Sociedade Brasileira de Zootecnia, 2012-04-01)
This study investigated the effect of different photoperiods (24 h of light (L):0 h of darkness (D); 20L:4D; 16L:8D; 12L:12D; and 8L:16D) on the reproduction and growth of Betta splendens. The results showed that spawning ...