Please use this identifier to cite or link to this item: https://repositorio.inpa.gov.br/handle/1/16910
Title: Lower light intensity reduces larval aggression in matrinxã Brycon amazonicus
Authors: Lopes, Ana Caroliny C.
Villacorta-Corrêa, Marle Angélica
Carvalho, Thaís Billalba
Keywords: 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
Issue Date: 2018
metadata.dc.publisher.journal: Behavioural Processes
metadata.dc.relation.ispartof: 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.
metadata.dc.identifier.doi: 10.1016/j.beproc.2018.01.017
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