The detection range of passive integrated transponder (PIT) tags potentially suitable for use in a tagging programme for estimating the abundance of snapper (Pagrus auratus) was systematically evaluated. For the tags typically used in fish tagging applications, detection ranges are inherently short – of the order of tens of centimetres. A range of tags was evaluated using a single reader and two different antennas. The reader and antennas were commercial products designed for fish tagging applications.
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