Acoustic Telemetry Monitors Movements of Wild Adult Catfishes in the Mekong River, Thailand and Laos

Naughton, George P.; Hogan, Zeb S.; Campbell, Teresa; Graf, Peter J.; Farwell, Charles; Sukumasavin, Naruepon

doi:10.3390/w13050641

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Acoustic Telemetry Monitors Movements of Wild Adult Catfishes in the Mekong River, Thailand and Laos

^1,*,†,

²,

^2,3,

⁴ and

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Department of Fish and Wildlife Sciences, University of Idaho, Moscow, ID 83844-1141, USA

Department of Biology and Global Water Center, University of Nevada-Reno, 1664 N. Virginia, Reno, NV 89557-0314, USA

Grant County PUD, P.O. Box 878, Ephrata, WA 98823-1876, USA

⁴

Tuna Research and Conservation Center, Monterey Bay Aquarium, 886 Cannery Row, Monterey, CA 93940-1085, USA

⁵

Department of Fisheries, Bangkok 10900, Thailand

Author to whom correspondence should be addressed.

^†

Current address: Department of Forest, Rangeland and Fire Sciences, University of Idaho, Moscow, ID 83844-1133, USA.

Academic Editor: Flavia Tromboni

Water 2021, 13(5), 641; https://doi.org/10.3390/w13050641

Received: 4 January 2021 / Revised: 10 February 2021 / Accepted: 22 February 2021 / Published: 27 February 2021

(This article belongs to the Special Issue Channels for Change: Integrating Multiple Disciplines for New Frontiers in Managing the Mekong River Basin)

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Abstract

Research on fish movement and habitat use in large tropical rivers is urgently needed to protect fisheries that are a primary source of protein for millions of people. In this pilot study, acoustic telemetry was used to monitor movements of wild catfishes in a 94.6 rkm reach of Mekong River, where it functions as the border between Thailand and Lao People’s Democratic Republic (PDR). Twenty fish were tagged and released in May 2006 and monitored through May 2007 with 17 fixed-site acoustic receivers. Ten receivers had detection probabilities ranging from 0.67 to 1.00, and five receivers had detection probabilities of 0.50 or less. Detection probability was not correlated with river width. Eighteen (90%) of the tagged fish were detected by at least one receiver. Monitoring durations of individual fish ranged from 0.1 to 354.4 days. The longest total movement was 88.3 rkm, while the longest upstream movement was 52.1 rkm. Movement rates ranged from 0.1 to 156.7 rkm/d. This work provided preliminary data on movement patterns of wild Mekong catfishes. The methods and lessons learned from this study can be used for future positional telemetry research to address management-relevant uncertainties about migration corridors, habitat use, efficacy of fish reserves, and river development planning. View Full-Text

Keywords: conservation; telemetry; movement; migration; migratory fish; habitat; hydropower; tropical; transboundary; Southeast Asia

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MDPI and ACS Style

Naughton, G.P.; Hogan, Z.S.; Campbell, T.; Graf, P.J.; Farwell, C.; Sukumasavin, N. Acoustic Telemetry Monitors Movements of Wild Adult Catfishes in the Mekong River, Thailand and Laos. Water 2021, 13, 641. https://doi.org/10.3390/w13050641

AMA Style

Naughton GP, Hogan ZS, Campbell T, Graf PJ, Farwell C, Sukumasavin N. Acoustic Telemetry Monitors Movements of Wild Adult Catfishes in the Mekong River, Thailand and Laos. Water. 2021; 13(5):641. https://doi.org/10.3390/w13050641

Chicago/Turabian Style

Naughton, George P., Zeb S. Hogan, Teresa Campbell, Peter J. Graf, Charles Farwell, and Naruepon Sukumasavin. 2021. "Acoustic Telemetry Monitors Movements of Wild Adult Catfishes in the Mekong River, Thailand and Laos" Water 13, no. 5: 641. https://doi.org/10.3390/w13050641

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Acoustic Telemetry Monitors Movements of Wild Adult Catfishes in the Mekong River, Thailand and Laos

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