Electric and Magnetic Field Detection in Elasmobranch Fishes

Journal Article

Title: Electric and Magnetic Field Detection in Elasmobranch Fishes
Authors: Kalmijn, A.
Publication Date:
November 26, 1982
Journal: Science
Volume: 218
Issue: 4575
Pages: 916-918
Publisher: AAAS
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Document Access

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Citation

Kalmijn, A. (1982). Electric and Magnetic Field Detection in Elasmobranch Fishes. Science, 218(4575), 916-918.
Abstract: 

Sharks, skates, and rays receive electrical information about the positions of their prey, the drift of ocean currents, and their magnetic compass headings. At sea, dogfish and blue sharks were observed to execute apparent feeding responses to dipole electric fields designed to mimic prey. In training experiments, stingrays showed the ability to orient relative to uniform electric fields similar to those produced by ocean currents. Voltage gradients of only 5 nanovolts per centimeter would elicit either behavior.

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