Movements of juvenile Pacific Lamprey (Entosphenus tridentatus) in the Yakima and Columbia Rivers, Washington, 2018—A pilot study using acoustic telemetry

Liedtke, Theresa L.; Lampman, Ralph T.; Deng, Zhiqun; Beals, Tyler E.; Porter, Michael S.; Hansen, Amy C.; Kock, Tobias J.; Tomka, Ryan G.; Monk, Patrick

doi:10.3133/ofr20191058

Cited by 7 publications

(6 citation statements)

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“…The ELAT transmitter has now proven feasible in laboratory and field settings across a range of anguilliform species with relevant behavioral unknowns, such as the regionally endangered American brook lamprey (Lethenteron appendix) of the United States Eastern Seaboard and the critically endangered European eel (Anguilla Anguilla) (Department, N.H. Fish and Game [18], The IUCN Red List of Threatened Species [68]) [16,17,39]. Our findings demonstrate its utility for juvenile sea lamprey.…”

Section: Discussionmentioning

confidence: 81%

“…Historically, acoustic transmitters have proven too large to implant into small fishes with narrow body cavities. Transmitters with sufficient battery life to support demographic studies of fishes require large batteries that would impede movement and survival in small fishes (Liedtke 2019). This situation is compounded in anguilliform swimming fishes, where tags may physically impede propagation of the propulsive wave or compress organs along the length of the very narrow body.…”

Section: Introductionmentioning

confidence: 99%

“…This situation is compounded in anguilliform swimming fishes, where tags may physically impede propagation of the propulsive wave or compress organs along the length of the very narrow body. The fabrication of a novel microbattery and transmitter suitable for use in juvenile sea lamprey-the Eel-Lamprey Acoustic Tag or ELAT-offers a potential solution to this problem [15,39]. This tag is compatible with the JSATS (Juvenile Salmon Acoustic Telemetry System) receiver, with a detection range of 80-140 m, a distance 100 × greater than the approximate range of a 12 mm PIT tag [17].…”

Section: Introductionmentioning

confidence: 99%

“…Currently, the standard PRI (Pulse Rate Interval) of five seconds allots approximately 30 days of use [16]. Pilot field studies using the ELAT tag have demonstrated the high detection rates (> 95%) in juveniles of both Pacific lamprey and American eel (Anguilla rostrata) [17,39]. At approximately the same size as the PIT tags used in previous studies of juvenile lampreys (12 mm x 2 mm, 0.08 g), this is the first acoustic telemetry tag that does not persistently violate the two percent of body mass standard for use without impediment of movement in juvenile anguilliform fishes due to its cylindrical shape [46,53,63].…”

Section: Introductionmentioning

confidence: 99%

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Survival, healing, and swim performance of juvenile migratory sea lamprey (Petromyzon marinus) implanted with a new acoustic microtransmitter designed for small eel-like fishes

Haas

Castro‐Santos

Miehls

et al. 2022

Preprint

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Background Little is known about the transformer stage of the parasitic lampreys, a brief but critical period that encompasses juvenile out-migration from rivers to lakes or oceans to begin parasitic feeding. Information about this life-stage could have significant conservation implications for both imperiled and invasive lampreys. We investigated tag retention, survival, wound healing, and swim performance of newly transformed sea lamprey (Petromyzon marinus) implanted with a new micro-acoustic transmitter, the eel-lamprey acoustic transmitter (ELAT), in a controlled laboratory environment. Results The 61-day survival of our tagged subjects was 71%, within the range reported in similar studies of juvenile lampreys. However, survival was significantly lower in the tagged animals (vs control), with no effect statistically attributable to measures of animal length, mass, condition, or population of origin (Great Lakes vs. Atlantic drainage). Mortality in tagged fish was concentrated in the first four days post-surgery, suggesting surgical injury. In a simple burst swim assay, tagged animals swam significantly slower (-22.5%) than untagged animals, but were not significantly different in endurance swim tests. A composite wound healing score was a significant predictor of maximum burst swim speed, and wound condition was related to animal mass, but not length, at the time of tagging. Conclusions Impairments to survival and swim performance of juvenile sea lamprey implanted with the ELAT transmitter were within currently acceptable ranges for telemetry studies with small, difficult to observe fishes. The ability to track migratory movements of imperiled and pest populations of parasitic lampreys will improve our ability to estimate vital rates that underlie recruitment to the adult population (growth, survival), and to investigate the environmental factors that regulate the timing and rates of movement, in wild populations.

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Section: Discussionmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Survival, healing, and swim performance of juvenile migratory sea lamprey (Petromyzon marinus) implanted with a new acoustic microtransmitter designed for small eel-like fishes

Haas

Castro‐Santos

Miehls

et al. 2022

Preprint

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“…hydro and diversion dams) hinder them from reaching their preferred spawning grounds (Moser, Almeida, Kemp, & Sorensen, 2015). While adult passage has received research focus in the Columbia River Basin (Moser, Almeida, et al, 2015), very little is known about the migration behaviour and survival of larval and juvenile lamprey moving downstream (Liedtke et al, 2019;Luzier et al, 2011;Moser, Jackson, Lucas, & Mueller, 2015).…”

Section: One Of the Most Obvious Causes Of Decline For Anadromousmentioning

confidence: 99%

An experimental study to evaluate predation threats on two native larval lampreys in the Columbia River Basin, USA

Arakawa

Lampman

2020

Ecology of Freshwater Fish

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Experimental predation studies were conducted to evaluate and compare the predation threats of 10 species of native and non‐native fishes on larvae of Pacific Lamprey, Entosphenus tridentatus, and Western Brook Lamprey, Lampetra richardsoni. The relative predatory threats were examined over four sets of binary factors, including the following: (a) short (2‐day) or long (7‐day) duration, (b) presence/absence of fine sediment, (c) live or dead larvae and (d) species of lampreys. Our short‐term results showed a positive correlation with the sizes of predator fishes and consumed lamprey larvae. Also, most predator fishes had a significantly higher propensity to prey on lamprey larvae when sediment was absent. Conversely, this demonstrated the importance of sediment in protecting lamprey larvae from predation. Based on the predatory behaviour for live and dead larvae, predator fishes were classified into four groups using principal component analysis. Predation rates of larvae in sediment by piscivorous predators including Northern Pikeminnow Ptychocheilus oregonensis and Smallmouth Bass Micropterus dolomieu were lower and showed no differences even when the study duration was extended. In contrast, predation rates by benthic predators including White Sturgeon Acipenser transmontanus and Common Carp Cyprinus carpio, increased when we extended the study duration. This suggests that when given longer duration, benthic predators are more adept at consuming larvae within the sediment. These results provide important context for assessing the potential threat of predation on lampreys in streams, which is a key knowledge gap for lampreys.

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Sampling Methods and Survey Designs for Larval Lampreys

Clemens

Harris

Starcevich

et al. 2022

N American J Fish Manag

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Knowledge of the biology, distribution, and abundance of lampreys (Petromyzontiformes) is critical to inform conservation actions for native species and to inform control measures for the invasive Sea Lamprey Petromyzon marinus of the Laurentian Great Lakes. Lampreys have complex life cycles that include a freshwater larval stage in which they burrow into substrates consisting of fine sediment and organic matter. The larval stage is frequently targeted in research and monitoring; given this interest, a review of survey designs and methods is needed. Our review identified 12 different sampling methods for larval lampreys and focused on one common method-backpack electrofishing in wadeable habitats. Our review also identified eight research and monitoring questions that have been addressed for larval lampreys in field studies, including distribution, species identification, life stage occurrence, abundance, length frequency, habitat use, residence and movement phenology, and species status. Each question provides unique information and poses distinct challenges to data acquisition and interpretation. The objectives guide decisions about study design and scope of inference. The scope of inference is determined by the size, spatial distribution,

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Movements of juvenile Pacific Lamprey (Entosphenus tridentatus) in the Yakima and Columbia Rivers, Washington, 2018—A pilot study using acoustic telemetry

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Cited by 7 publications

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Survival, healing, and swim performance of juvenile migratory sea lamprey (Petromyzon marinus) implanted with a new acoustic microtransmitter designed for small eel-like fishes

Survival, healing, and swim performance of juvenile migratory sea lamprey (Petromyzon marinus) implanted with a new acoustic microtransmitter designed for small eel-like fishes

An experimental study to evaluate predation threats on two native larval lampreys in the Columbia River Basin, USA

Sampling Methods and Survey Designs for Larval Lampreys

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