From 95 to 59 millimetres: a new active acoustic tag size guideline for salmon

Liss, Stephanie A.; Znotinas, Katherine R.; Blackburn, Shannon; Fischer, Eric S.; Hughes, James S.; Harnish, Ryan A.; Li, Huidong; Deng, Zhiqun

doi:10.1139/cjfas-2020-0222

Cited by 7 publications

(8 citation statements)

References 63 publications

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“…The SPT and PIT groups were compared to check for differences in FL or weight at the beginning of the study (day 0) using a t test. Survival was defined by survival and tag retention, as a dead fish or a dropped tag in a field study would terminate active tracking [11]. Survival rates were quantified per group using proportions (i.e., the number of fish that survived and retained their PIT tag [PIT group] or all three tags in the SPT group, compared to the total number of fish in each group) and a Fisher's exact test [33].…”

Section: Statistical Analysesmentioning

confidence: 99%

“…A current challenge in tagging studies is finding a tag size that balances battery life and fish size-at-tagging, to minimize a potential size bias. A size bias occurs when only the larger individuals in a population are tagged (to minimize tag burden), but they may not be representative of the entire size range of the population [1,5,11]. Studies monitoring long-term populations and habitat distributions have typically been restricted to tagging larger fish [2,12,13].…”

Section: Introductionmentioning

confidence: 99%

“…Before the SPT can be used in field studies, species-specific biological testing is required to understand how best to implant the SPT (i.e., evaluate the tagging technique) and understand the potential tag effects of the SPT on a given species. Different tagging techniques and tag sizes, shapes, and volumes can have varying effects on each species; thus, species-specific guidelines are recommended [1,11]. We chose white sturgeon (Acipenser transmontanus) as the candidate species for this study.…”

Section: Introductionmentioning

confidence: 99%

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A subdermal tagging technique for juvenile sturgeon using a new self-powered acoustic tag

Liss

Deng

2022

Anim Biotelemetry

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Background A new technology for a self-powered acoustic tag (SPT) was developed for active tracking of juvenile fish, intended to avoid the typical battery life constraints associated with active telemetry technology. We performed a laboratory study to evaluate a subdermal tagging technique for the SPT and effects of the tag on survival, tag retention, and growth in juvenile white sturgeon (Acipenser transmontanus). Results Survival was associated with tag retention. White sturgeon implanted with the SPT (n = 30) had 93% survival and tag retention by day 28, 67% by day 101, and 38% by day 595 post-tagging. Sturgeon implanted with a passive integrated transponder (PIT) tag only (control group) had 96% survival and tag retention by day 28, and through day 101 post-tagging. Fish in the PIT group were repurposed after day 101, so no comparisons with this group were made at day 595 post-tagging. Specific growth rate (SGR) for fork length was a median of 0.25% day−1 by day 28 for the SPT group, which was significantly lower than the PIT group (median: 0.42% day−1; n = 27). The SPT and PIT groups had similar SGR fork length by day 101 post-tagging (0.22 and 0.25% day−1, respectively). SGR weight was also lower for the SPT group compared to the PIT group on day 28 (1.39 and 2.11% day−1, respectively), but the difference again dissipated by day 101 (0.79 and 0.88% day−1, respectively). Conclusion The tagging technique and placement of the SPT allowed the tag to remain upright along the flank of the sturgeon to ensure maximum battery output of the SPT; however, retention rates of the SPT were not ideal. We provided suggestions to improve the tagging technique. Suggestions included tagging fish that are > 400 mm FL, moving the incision location to extend the cavity and create a pocket for the placement of the SPT, and performing a quantitative wound-healing evaluation. Future studies are therefore recommended to evaluate these suggestions.

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Section: Statistical Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A subdermal tagging technique for juvenile sturgeon using a new self-powered acoustic tag

Liss

Deng

2022

Anim Biotelemetry

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“…Regardless of how the tag is attached, tag burden (the weight of the tag relative to the individual animal) is an important consideration to minimize potential loading on the animal (Wolcott 1995). General 'rules of thumb' exist in telemetry studies (Wolcott 1995, Smircich & Kelly 2014), but the impacts of tag burden appear taxa-specific at least in fishes (Brown et al 1999, Liss et al 2021). Due to their general reliance on crawling or walking on substrate, it is sometimes suggested that decapods can withstand higher tag burdens (Krieger et al 2012).…”

Section: Tag Attachmentmentioning

confidence: 99%

Tracking movements of decapod crustaceans: a review of a half-century of telemetry-based studies

Florko

Davidson

Lees

et al. 2021

Mar. Ecol. Prog. Ser.

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Decapod crustaceans are ecologically and economically important invertebrates but are vulnerable to anthropogenic pressures and climate change. Understanding their spatial ecology is essential for their management and conservation, with telemetry emerging as a useful tool to quantify space-use and movements. Here, we synthesized the use of telemetry to study decapods among articles published from 1971 to 2019 (n = 102 studies), by taxonomic group of the study species, study location, objectives, number of animals tagged and their tag recovery rate, types (and trends) of telemetry used, and IUCN conservation status. These studies revealed insight into the behaviours and roles of decapods across habitats and geographic regions. The most common study species were crayfish and lobsters (41%, Astacidea), and these studies also had the highest number of individuals tagged per study (mean = 149 individuals). Most studies (86%) were conducted in the northern hemisphere. Acoustic tags were the most commonly used equipment (66% of studies) and were first employed in 1971, followed by radio-telemetry (mid-1990s), passive integrated transponders (mid-2000s), and data storage tags (late 2000s). Almost half (48%) of studies focused on species that had a conservation status of Least Concern, perhaps reflecting an applied science focus on animals of commercial interest rather than conservation importance. The positive allometric relationship between body length and movement rate (exponent = 0.86) demonstrates the type of broader ecological insight that combining these studies can provide. Tracking decapod movements will likely become increasingly important for managing fisheries, protecting sensitive species, and understanding invasion biology.

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“…Migration mechanisms, including orientation, behavior and route architecture throughout the entire life of anguillid eels have been revealed by means of the recent advanced technologies like agent-based model, ABM, particle tracking model of upstream migrating juvenile eels (Padgett et al, 2020;Benson et al, 2021), motion analysis of glass eels (Eldrogi et al, 2018), tiny acoustic transmitters (Fischer et al, 2019;Mueller et al, 2019;Liss et al, 2021), satellite tracking for migrant adults (e.g., Aarestrup et al, 2009;Westerberg et al, 2014;Wysujack et al, 2015;Amilhat et al, 2016; for the European eel; Manabe et al, 2011;Higuchi et al, 2018 for the Japanese eel Anguilla japonica; Schabetsberger et al, 2013;2019 for Pacific eels A. marmorata and A. megastoma;Beguer-Pon et al, 2015 for the American eel Anguilla rostrata).…”

Section: Juveniles' Migration and Orientationmentioning

confidence: 99%

Hard times for catadromous fish: the case of the European eel (Anguilla anguilla, L. 1758)

et al. 2021

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Catadromous fish species are very important organisms for their ecological, economical, and cultural value. For its complex life species catadromous fish result in worldwide decline since the beginning of the 20th century. Among the most iconic catadromous species, the European eel Anguilla anguilla L. 1758 has aroused considerable interest since very ancient times. Because, to date, many aspects of their life cycle remain relatively unknown, to implement our knowledge about the main natural and anthropogenic threats to its survivorship and identify possible solutions to preserve it, in this narrative review, we present the state of the knowledge about the life cycle, habitat occupancy, recruitment, and migration patterns of the European eel and about the major threats most likely have contributed to the decline of eels’ populations.

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From 95 to 59 millimetres: a new active acoustic tag size guideline for salmon

Cited by 7 publications

References 63 publications

A subdermal tagging technique for juvenile sturgeon using a new self-powered acoustic tag

A subdermal tagging technique for juvenile sturgeon using a new self-powered acoustic tag

Tracking movements of decapod crustaceans: a review of a half-century of telemetry-based studies

Hard times for catadromous fish: the case of the European eel (Anguilla anguilla, L. 1758)

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