Swimming direction of the glass catfish is responsive to magnetic stimulation

Authors: Ryan D Hunt, Ryan C Ashbaugh, Mark Reimers, Lalita Udpa, Gabriela Saldana De Jimenez, Michael Moore, Assaf A Gilad, Galit Pelled

Year: 2021 Mar 5

Category: Marine Biology

Journal: PLoS One

DOI: 10.1371/journal.pone.0248141

URL: https://pubmed.ncbi.nlm.nih.gov/33667278/

Abstract

Overview

The study investigates the magnetic perception abilities of the transparent glass catfish, a species known for its specialized ampullary organ that detects magnetic fields. This perception is crucial for various behaviors such as navigation and predator-prey interactions.

Methodology

Researchers employed advanced animal tracking software combined with artificial intelligence techniques to assess how static magnetic fields influence the swimming direction of glass catfish.

Findings

  • The presence of magnetic fields over 20 μT consistently causes glass catfish to swim away from them.
  • There is notable adaptability observed in the catfish, adjusting to changes in the direction and location of magnetic fields.

Conclusion

This study enhances our understanding of how marine species like glass catfish utilize their magnetic perception. It also underscores the importance of recognizing and regulating electromagnetic field (EMF) exposures in marine environments to prevent potential disruptions to marine life navigation and ecosystem balance.

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