Behavioral Tracking and Neuromast Imaging of Mexican Cavefish.

08:00 EDT 6th April 2019 | BioPortfolio

Summary of "Behavioral Tracking and Neuromast Imaging of Mexican Cavefish."

Cave-dwelling animals have evolved a series of morphological and behavioral traits to adapt to their perpetually dark and food-sparse environments. Among these traits, foraging behavior is one of the useful windows into functional advantages of behavioral trait evolution. Presented herein are updated methods for analyzing vibration attraction behavior (
an adaptive foraging behavior) and imaging of associated mechanosensors of cave-adapted tetra, Astyanax mexicanus. In addition, methods are presented for high-throughput tracking of a series of additional cavefish behaviors including hyperactivity and sleep-loss. Cavefish also show asociality, repetitive behavior and higher anxiety. Therefore, cavefish serve as an animal model for evolved behaviors. These methods use free-software and custom-made scripts that can be applied to other types of behavior. These methods provide practical and cost-effective alternatives to commercially available tracking software.


Journal Details

This article was published in the following journal.

Name: Journal of visualized experiments : JoVE
ISSN: 1940-087X


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