Tracking juvenile sturgeon in the wild: Miniature tag effects assessment in a laboratory study on Siberian sturgeon ( Acipenser baerii )

Carrera-García, Erika; Kordek, Juliette; Gesset, Charline; Jacobs, Louis L.; Acolas, Marie‐Laure

doi:10.1016/j.fishres.2016.10.017

Cited by 11 publications

(17 citation statements)

References 52 publications

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“…Hatin et al (2007) pointed out that habitat use in Atlantic sturgeon juveniles is controlled by salinity and distance to the salt wedge where YOY use freshwater zones only. Furthermore, from previous telemetry studies, we know that 10 mo old stocked European sturgeons reached the saline estuary soon after release (Acolas et al 2012(Acolas et al , 2017. Thus, we suspect that the downstream migration towards saline waters occurs between 4 and 10 mo of age for stocked European sturgeons.…”

Section: Movement Orientation and Early Migration Tacticsmentioning

confidence: 80%

“…Transmitters represented 1.9 to 4.2% of the tagged fish body mass (Table 1). They were implanted into the peritoneal cavity using surgical procedure as described in Carrera-García et al (2017) through an approx. 7 to 8 mm incision, slightly left of the ventral midline and anterior to the pelvic girdle.…”

Section: Fish Taggingmentioning

confidence: 99%

“…In A. sturio, a preliminary test on 9 cm juveniles highlighted that fish reared under traditional conditions were able to cope with a 0.2 m s −1 current only after 2 d of acclimation (Charles et al 2009). Concerning depth, no data are available for 3 mo old A. sturio, but for 9 mo old fish, Acolas et al (2017) highlighted a preference for 5 to 8 m depth (2 to 5 m in tidal areas). Fredrich et al (2008) reported that 9 mo old Atlantic sturgeons were mainly located in zones of 3 to 5 m depth in the Noteć and Drawa rivers, Poland.…”

Section: European Sturgeon Habitatmentioning

confidence: 99%

“…However, until now this technique has been used to monitor post-release survival (Parkyn et al 2006, Rudd et al 2014, Eder et al 2015, habitat use (Jordan et al 2006, Acolas et al 2017, dispersal and migration (Secor et al 2000, Neufeld & Rust 2009) of stocked populations, and has been employed mainly on large juveniles. Due to transmitter design, the smallest sturgeons acoustically tracked in the wild were 9 mo old A. sturio (Acolas et al 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Due to transmitter design, the smallest sturgeons acoustically tracked in the wild were 9 mo old A. sturio (Acolas et al 2012). Recently, a telemetry system (Juvenile Salmon Acoustic Telemetry System [JSATS]; Lotek ® ) that was initially developed to acoustically track young salmon species (McMichael et al 2010) has allowed the use of miniature tags on 3 mo old sturgeons (Carrera-García et al 2017).…”

Section: Introductionmentioning

confidence: 99%

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Effects of rearing practice on post-release young-of-the-year behavior: Acipenser sturio early life in freshwater

Carrera-García¹,

Rochard²,

Acolas³

2017

Endang. Species. Res.

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Stocking is becoming an increasingly important conservation tool as biodiversity trends continue to decline. The European sturgeon Acipenser sturio is a Critically Endangered species subject to a stocking program in which a better understanding of its life history and stocking achievement is crucial for its conservation. In this study, acoustic telemetry assessment of postrelease behavior of 3 mo old fish was carried out for the first time on a sturgeon species. We aimed to improve the knowledge of movement, distribution and survival of the species' freshwater early juveniles within the context of stocking practices. Fish belonging to 2 half-sib families were reared in enriched and traditional hatchery conditions, tagged and monitored for 21 d in the Dordogne River, France. Fish overall survival proxy was 69.3% (52.2 to 90.9%); the lowest survival was found for 1 family reared traditionally. After release, most movements (85.7%) occurred during the first 3 d after stocking and were oriented in a downstream direction. Over the course of the study, 82% of fish were detected within 13.5 km of the release site. No differences in total distance covered (7.5 ± 7.0 km) were found between treatments. Three enriched-reared fish reached the tidal area (26 to 32 km from the release site) but none reached the saline zone of the estuary. Fish were mainly active at night, but traditionally-reared fish were significantly more active during the day than enriched-reared fish during the first 3 d. The study provides the first insights into early life in freshwater for this species; this knowledge will help improve stocking practices.

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Section: Movement Orientation and Early Migration Tacticsmentioning

confidence: 80%

Section: Fish Taggingmentioning

confidence: 99%

Section: European Sturgeon Habitatmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of rearing practice on post-release young-of-the-year behavior: Acipenser sturio early life in freshwater

Carrera-García¹,

Rochard²,

Acolas³

2017

Endang. Species. Res.

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Assessing Acoustic Tagging Effects on Survival, Growth, and Swimming Ability of Juvenile Lake Sturgeon

McCabe

Chiotti

Boase

et al. 2019

N American J Fish Manag

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Acoustic telemetry is used to quantify fish movement, ecology, and habitat use and can contribute to assessing the success of species supplementation. In this field, a better understanding of the effects of tag burden (or the impact of an acoustic telemetry tag, which is related to the ratio of tag weight to body weight) is critical to ensure postrelease monitoring. Research on the effects of acoustic tag burden on imperiled fishes at different ontogenic stages, such as juvenile Lake Sturgeon Acipenser fulvescens, is limited. Our study provides key information for the selection of the largest acoustic tag with the greatest battery life possible (taking into account tag burden) to monitor the release success and movements of juvenile Lake Sturgeon stocked for reintroduction. We characterized tag burden effects by examining survival, TL, weight, Fulton's condition factor, and swim performance of individuals. We examined four groups of fish: control (anesthetized and no acoustic tag inserted; n = 24), sham control (anesthetized with incision sutured but no acoustic tag inserted; n = 24), Vemco V8 acoustic tag (2.0 g in air; n = 24), and Vemco V9 tag (4.4 g in air; n = 24). Acoustic tags were inserted into anesthetized fish, and the incision was sutured; tag burden (mean ± SE) ranged from 2.2 ± 0.06% to 4.6 ± 0.10% of total body weight. Results showed that the two tag burden treatments had no significant effects on growth or survival (compared to both control groups) across a 114‐d study period and that critical swim speed at 12–20 d postsurgery was not significantly impacted by increasing tag burden. Because neither of the acoustic tag sizes had significant deleterious effects on the metrics studied, we recommend using a larger V9 tag (i.e., the most powerful tag with the longest battery life) for postrelease monitoring of reintroduced juvenile Lake Sturgeon.

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Effects of Surgically Implanted Acoustic Tags on Body Condition, Growth, and Survival in a Small, Laterally Compressed Forage Fish

Klinard

Halfyard²,

Fisk

et al. 2018

Trans Am Fish Soc

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Telemetry studies often assume a lack of adverse effects caused by tag attachment and presence in various species and size‐classes, which may lead to inaccurate conclusions about fish behavior in field studies. Studies that examine the effects of tagging are typically performed on salmonids and adult fishes rather than on the small fishes that are increasingly becoming the focus of telemetry studies. The objectives of this study were to assess the effects of intracoelomic acoustic tagging on growth, condition, survival, and tag retention in subadult hatchery Bloaters Coregonus hoyi (a focal species for restoration efforts in the Laurentian Great Lakes) and to determine the maximum tag burden below which tag effects are reduced. Fish were either tagged with one of three dummy acoustic transmitters (Vemco V6: n = 50; V7: n = 50; V9: n = 50) or were followed as controls (n = 50; anesthesia, PIT‐tagging, and handling only) or sham individuals (n = 49; anesthesia, surgery, suturing, and PIT‐tagging but no acoustic tag implanted). Tags represented 1.3–9.0% of body mass. All fish received a PIT tag for individual identification throughout the 6‐month monitoring period (November 2014–May 2015). Survival exceeded 90% in all treatment groups, and the tag retention rate was 100%. All surviving fish appeared healthy and in excellent condition at the conclusion of the experiment. The results of this study suggest that acoustic transmitters with a tag mass : body mass ratio of 9% or less can be successfully implanted intracoelomically into subadult Bloaters—small, laterally compressed pelagic fish—with no adverse effects.

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Tracking juvenile sturgeon in the wild: Miniature tag effects assessment in a laboratory study on Siberian sturgeon ( Acipenser baerii )

Cited by 11 publications

References 52 publications

Effects of rearing practice on post-release young-of-the-year behavior: Acipenser sturio early life in freshwater

Effects of rearing practice on post-release young-of-the-year behavior: Acipenser sturio early life in freshwater

Assessing Acoustic Tagging Effects on Survival, Growth, and Swimming Ability of Juvenile Lake Sturgeon

Effects of Surgically Implanted Acoustic Tags on Body Condition, Growth, and Survival in a Small, Laterally Compressed Forage Fish

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