110: Everything Electrofishing With Jim Reynolds and Alan Temple


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In this episode Sue Colvin and Arkansas Tech Graduate student Emily Jonagan interview electrofishing experts Jim Reynolds and Alan Temple. From safety, to waveforms, to the types of electrofishing units and where to buy one, we cover all electrofishing basics. Jim and Alan explain how to make your sampling more effective, they breakdown the Power Threshold theory and help us understand what conditions result in the best capture probabilities and least harm to fish. They explain what to adjust on your e-fishing unit and cover typical settings. Ever wonder why some fish won't 'shock' and others are sensitive? Ever wonder why some fish are more impacted by e-fishing and others less so, Jim and Alan will fill you in on how swimming style, vertebral count, and even evolutionary history influence the impact of electricity on fish. Whether you're looking for a new sampling technique or seeking to brush up your skills this is great place to start.

Need more?

Electrofishing Essentials: A set of instructional videos and materials from USFWS. Access is free.

Fisheries Techniques 3rd Edition with Electrofishing chapter by Jim Reynolds and Lawrence Kolz


The Magna Carpa - USFWS modified electrofishing boat engineered to detect, monitor, and remove Silver Carp


Fisheries Podcast Merch!


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Thanks Andrew Gialanella for the intro/outro music.

Photo Credit: USFWS

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