Oct 29, 2018

The development of social interactions in Corydoras aeneus larvae

BioRxiv : the Preprint Server for Biology
Riva J RileyAndrea Manica

Abstract

Very young animals develop life skills as they mature, and for social animals this includes the acquisition of social abilities such as communication. Many animals exhibit changeable patterns of social behavior based on development, and social experience during the juvenile period can be vital for the development of necessary social behaviors in adulthood. We investigated the development of a distinctive tactile interaction behavior in Corydoras aeneus, the Bronze Cory catfish. Adults use this behavior to coordinate group activities during foraging and flight responses from predators, and the development of this behavior in larvae is of interest in investigating how communication and social behaviors develop as an individual matures, and which factors affect their development. We found that larvae respond to applied tactile stimulation with a flight response far less often as larvae matured, implying that larvae become less sensitive to tactile stimulation with age. Given that adults frequently interact with one another tactilely, this development is consistent with developing appropriate social behavior in adulthood. We also found that social exposure affects the development of the larval response to tactile interactions with ...Continue Reading

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Mentioned in this Paper

White catfish allergenic extract
Larva
CD96 gene
Coris <Asteridae>
CD96
Siluriformes
Corydoras aeneus

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