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Título: | Lower light intensity reduces larval aggression in matrinxã Brycon amazonicus |
Autor: | Lopes, Ana Caroliny C. Villacorta-Corrêa, Marle Angélica Carvalho, Thaís Billalba |
Palavras-chave: | Aggression Alga Environmental Change Larval Development Larviculture Light Intensity Limiting Factor Social Behavior Survival Aggressiveness Environmental Change Farming System Hatching Human Larva Light Intensity Locomotion Luminance Nonhuman Social Interaction Social Status Aggression Animals Behavior, Animals Characidae Fishery Light Physiology Animalsia Brycon Aggression Animal Behavior, Animals Characidae Fisheries Larva Light |
Data do documento: | 2018 |
Revista: | Behavioural Processes |
É parte de: | Volume 151, Pags. 62-66 |
Abstract: | Brycon amazonicus shows a high frequency of aggressive behavior, which can be a limiting factor in intensive farming systems. Environmental changes can modulate the social interactions of fish and reduce aggression during the different stages of production. Groups of three larvae at 12 h after hatching (HAH) were subjected to different levels of light intensity: low (17 ± 3 lx), intermediate (204 ± 12.17 lx) and high (1,613.33 ± 499.03 lx), with eight replicates for each level. The lower light intensity reduced the frequency of aggressive interactions and locomotor activity exhibited by the animals. Based on these results, light intensity modulates aggression in B. amazonicus larvae. Manipulation of this factor could improve the social conditions of this species during farming and contribute to the development of new production technologies. © 2018 Elsevier B.V. |
DOI: | 10.1016/j.beproc.2018.01.017 |
Aparece nas coleções: | Artigos |
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