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	Provedor de dados 83 (2) Autor Baldisserotto,Bernardo (1) Fernandes-de-Castilho,Marisa (1) Freire,Carolina Arruda (1) Lang,Carla (1) Souza-Bastos,Luciana Rodrigues de (1) Vogel,Carina (1) Weber,Paula D. (1) Mais... Palavra-chave Anti-predator behavior (2) Alarm cues (1) Chemical communication (1) Club cell (1) Disturbance cues (1) Fish stress (1) Jundia (1) Predator odor (1) Skin extract (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2017 (1) 2014 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Conspecific and heterospecific alarm substances induce behavioral responses in juvenile catfish Rhamdia quelen 83 Vogel,Carina; Weber,Paula D.; Lang,Carla; Baldisserotto,Bernardo. ABSTRACT The recognition of chemical information indicating the presence of a predator is very important for prey survival. In this study we tested antipredator behavioral response of juvenile silver catfish (Rhamdia quelen) against predator odor released by two different potential predators, Hoplias malabaricus and the snake Helicops infrataeniatus, and alarm cues and disturbance cues released by conspecifics and by non-predator species, Megaleporinus obtusidens and Astyanax lacustris. We used juvenile catfish that were naive to predators. The trials consisted of a 10-min prestimulus and a 10-min post-stimulus observation period. The behavioral response displayed by silver catfish exposed to alarm cues comprised a decrease in shelter use and an increase... Tipo: Info:eu-repo/semantics/article Palavras-chave: Alarm cues; Anti-predator behavior; Disturbance cues; Predator odor; Skin extract. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000200201 Skin extract from Rhamdia quelen(Siluriformes: Heptapteridae) does not promote stress in conspecifics 83 Souza-Bastos,Luciana Rodrigues de; Freire,Carolina Arruda; Fernandes-de-Castilho,Marisa. Chemical communication is widely used in aquatic environments, where visual or auditory signals may not be always effective. Fish of the superorder Ostariophysi are known to display epidermal cells (club cells) that produce and store alarm substances, which are released to the water when the skin is damaged. Responses to alarm substances range widely, between active searches for refuge to a complete stop in any locomotor activity. In this study a large number of binucleated club cells (average density of 11 cells /5m2) were histologically observed in the skin of the catfish Rhamdia quelen (known as jundia). Skin extract (2, 5, and 10% w/v) applied for 15 minutes to conspecifics elicited increase in swimming activity and in the area visited by the fish... Tipo: Info:eu-repo/semantics/article Palavras-chave: Anti-predator behavior; Chemical communication; Club cell; Fish stress; Jundia. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000100125 Registros recuperados: 2 Primeira ... 1 ... Última

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