Abstract
BackgroundPassive integrated transponder (PIT) tags are used to study the movement and behaviour in populations of a wide variety of fish species and for a number of different applications from fisheries to aquaculture. Before embarking on long-term studies, it is important to collect information on both short- and medium-term survival and tag retention for the species in question. In this study, 90 juvenile lumpfish (10–20 g, 30 fish per replicate tank) were implanted with 12.5-mm FDX PIT tags.ResultsTag retention, growth rates and survival were compared to those of fish subjected to handling only (90 fish, 30 per replicate tank). Overall survival was 100% during the 28-day monitoring period, and tag retention was 99%.ConclusionsResults indicate that retention rates of 12.5-mm PIT tags in juvenile lumpfish are high, and there is no significant effect on growth rates or survival in a hatchery environment.
Highlights
Passive integrated transponder (PIT) tags are used to study the movement and behaviour in popula‐ tions of a wide variety of fish species and for a number of different applications from fisheries to aquaculture
Passive integrated transponder (PIT) tags are a low-cost method for marking individuals for breeding applications and mark-recapture studies as well as offering a non-obtrusive method to observe progress, behaviour and movements of tagged individuals using antennae
Larvae were reared in 440 L square glass re-enforced plastic (GRP) tanks, in the same recirculating system as the egg cones, at 10.0 ± 0.6 °C
Summary
Passive integrated transponder (PIT) tags are used to study the movement and behaviour in popula‐ tions of a wide variety of fish species and for a number of different applications from fisheries to aquaculture. 90 juvenile lumpfish (10–20 g, 30 fish per replicate tank) were implanted with 12.5-mm FDX PIT tags. Passive integrated transponder (PIT) tags are a low-cost method for marking individuals for breeding applications and mark-recapture studies as well as offering a non-obtrusive method to observe progress, behaviour and movements of tagged individuals using antennae. PIT tags have been used on many different species of fish since the 1980s e.g. Evaluation of the compatibility of PIT tag use in different species was considered.
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