Open Access

Table 1

Visual checking of targets automatically tracked by Sonar5-Pro by use of SMC software.

True type of target Number Percentage
Individual fish passage 120 48%
Fish already tracked (multiple counting) 59 24%
Aggregation of small fish 54 22%
Drifting objects 12 5%
Artefact 3 1%
Automatically tracked targets 248 100%

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