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Chemical communication of handling stress in fish
(Pergamon-Elsevier B.V. Ltd, 2011-06-01)
We investigated whether juveniles of the nocturnal fish jundia (Rhamdia quelen) and the diurnal fish Nile tilapia (Oreochromis niloticus) are able to chemically communicate stress to conspecifics. Groups of 8 fish were ...
Chemical communication of handling stress in fish
(Pergamon-Elsevier B.V. Ltd, 2011-06-01)
We investigated whether juveniles of the nocturnal fish jundia (Rhamdia quelen) and the diurnal fish Nile tilapia (Oreochromis niloticus) are able to chemically communicate stress to conspecifics. Groups of 8 fish were ...
Contamination of fee-fishing ponds with agrochemicals used in sugarcane crops
(Springer, 2020-08-11)
The increasing use of agrochemicals negatively affects the environment while the generated residues impact the hydrographic networks which feed the rivers and fishing ponds, so this work investigates pesticide contamination ...
Comparación del manejo de los reproductores de tilapia roja en pilas de concreto con y sin hapas
(Escuela Agrícola Panamericana,Zamorano, 2012)
Hierarchical status and colour preference in Nile tilapia (Oreochromis niloticus)
(Springer, 2007-05-01)
We studied the colour preference of isolated Nile tilapia (Oreochromis niloticus) and whether previous residence or body size can affect environmental colour choice. In the first phase, a cylindrical tank was divided into ...
Hierarchical status and colour preference in Nile tilapia (Oreochromis niloticus)
(Springer, 2007-05-01)
We studied the colour preference of isolated Nile tilapia (Oreochromis niloticus) and whether previous residence or body size can affect environmental colour choice. In the first phase, a cylindrical tank was divided into ...
Dynamics of some limnological characteristics in pacu (Piaractus mesopotamicus) culture tanks as function of handling
(Instituto Internacional de Ecologia, 1999-11-01)
Visando obter subsídios para um estudo da qualidade da água em tanques de piscicultura, realizou-se um experimento de 166 dias com uma espécie nativa, pacu (Piaractus mesopotamicus). Nos tanques foram testados dois níveis ...
Dynamics of some limnological characteristics in pacu (Piaractus mesopotamicus) culture tanks as function of handling
(Instituto Internacional de Ecologia, 1999-11-01)
Visando obter subsídios para um estudo da qualidade da água em tanques de piscicultura, realizou-se um experimento de 166 dias com uma espécie nativa, pacu (Piaractus mesopotamicus). Nos tanques foram testados dois níveis ...