First observation of fouling of externally attached radio transmitters in an African river

Fouling of externally attached tags is an important consideration in long-term tagging studies as it may afect ifsh behaviour and well-being. Two externally attached radio transmitters on African tigerfish Hydrocynus vittatus were covered with short green algae, after the fish were recaptured 49 and...

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Bibliographic Details
Published in:Water S. A. 2020-10, Vol.46 (4), p.672-674
Main Authors: Jacobs, Francois Jakob, Friedrich Weyl, Olaf Lawrence, Ulvan, Eva Marita, Hay, Clinton, Naesje, Tor Fredrik
Format: Article
Language:English
Subjects:
Algae
Aquatic plants
Communications equipment
Fish
Fish behavior
Fisheries
Fishes
Fishing
Fouling
Freshwater
Funding
Health aspects
Kavango River
Marking
Mortality
Namibia
Radio
Radio transmitters
Rivers
Tagging
Telemetry
Tigerfish
Transmitters
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Summary:Fouling of externally attached tags is an important consideration in long-term tagging studies as it may afect ifsh behaviour and well-being. Two externally attached radio transmitters on African tigerfish Hydrocynus vittatus were covered with short green algae, after the fish were recaptured 49 and 64 days after tagging in the Kavango River, Namibia. This is the first observation of fouling on external radio transmitters from any African river which highlights the importance of conducting studies that evaluate the various health or behavioural efects resulting from tagging.
ISSN:0378-4738
1816-7950
DOI:10.17159/wsa/2020.v46.i4.9082