The Effect of Water Temperature, Angling Time, and Dissolved Oxygen on the Survival of Largemouth Bass Subjected to Simulated Angling and Tournament Handling Procedures

Keretz, Kevin R.; Dinken, Colin P.; Allen, Peter J.; Colvin, Michael E.; Schramm, Harold L.

doi:10.1002/nafm.10058

Cited by 17 publications

(26 citation statements)

References 57 publications

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“…Live wells are often used for longer holding periods associated with angling tournaments but could also be used in the case of high grading when there are bag limits or slot limits. Although the premise of a live well is to keep fish alive, survival can be compromised when they are not operated properly and create hypoxic conditions (Keretz et al 2018 ). Recent innovations include the use of padding to reduce injury of fish during transport (Brooke and Tufts 2012 ).…”

Section: Review Of Technological Innovations: Application and Implicamentioning

confidence: 99%

Technological innovations in the recreational fishing sector: implications for fisheries management and policy

Cooke

Venturelli

Twardek

et al. 2021

Rev Fish Biol Fisheries

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Technology that is developed for or adopted by the recreational fisheries sector (e.g., anglers and the recreational fishing industry) has led to rapid and dramatic changes in how recreational anglers interact with fisheries resources. From improvements in finding and catching fish to emulating their natural prey and accessing previously inaccessible waters, to anglers sharing their exploits with others, technology is completely changing all aspects of recreational fishing. These innovations would superficially be viewed as positive from the perspective of the angler (aside from the financial cost of purchasing some technologies), yet for the fisheries manager and policy maker, technology may create unintended challenges that lead to reactionary or even ill-defined approaches as they attempt to keep up with these changes. The goal of this paper is to consider how innovations in recreational fishing are changing the way that anglers interact with fish, and thus how recreational fisheries management is undertaken. We use a combination of structured reviews and expert analyses combined with descriptive case studies to highlight the many ways that technology is influencing recreational fishing practice, and, relatedly, what it means for changing how fisheries and/or these technologies need to be managed—from changes in fish capture, to fish handling, to how anglers share information with each other and with managers. Given that technology is continually evolving, we hope that the examples provided here lead to more and better monitoring of technological innovations and engagement by the management and policy authorities with the recreational fishing sector. Doing so will ensure that management actions related to emerging and evolving recreational fishing technology are more proactive than reactive.

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Section: Review Of Technological Innovations: Application and Implicamentioning

confidence: 99%

Technological innovations in the recreational fishing sector: implications for fisheries management and policy

Cooke

Venturelli

Twardek

et al. 2021

Rev Fish Biol Fisheries

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“…The experimental series consisted of a simulation in which a fish was held in a live-well setting similar to what would be used in a tournament fishing boat (Suski et al 2004;Keretz et al 2018). The live-well treatment was 2 h in duration-a typical holding time during a tournament (Siepker et al 2006(Siepker et al , 2007.…”

Section: Consequences Of Tournament Culling Methodsmentioning

confidence: 99%

Physiological Consequences of Different Fishing Tournament Culling Methods on Largemouth Bass

Chong

Abrams

Zolderdo

et al. 2021

N American J Fish Manag

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In live‐release angling tournaments, fish are captured and typically held within onboard live‐well systems, where they are subsequently “culled” (i.e., released) as larger fish are captured. Anglers often mark individual fish to easily identify them based on weight and to reduce handling time. However, there is limited information about the physiological consequences of using different culling apparatus on fish. This study examined the physiological consequences associated with using four different types of culling apparatus (i.e., metal stringer through the jaw, pincher on the jaw, lasso around the caudal peduncle, and zippered mesh bag) on Largemouth Bass Micropterus salmoides relative to controls during a 2‐h live‐well retention period. Blood samples were taken afterwards and were analyzed for blood glucose, blood lactate, plasma cortisol, and osmolality. Compared to the baseline control (i.e., fish that were captured, subjected to blood sampling, and immediately released), blood parameters (except osmolality) were significantly elevated in all treatments. The pincher and lasso treatments tended to yield higher physiological disturbances than the other treatments, including fish that were held in the live well without any culling apparatus. Moreover, the lasso culling apparatus appeared to cause noticeable injury relative to the other culling devices. Our research provides valuable information to help guide the selection of culling gear that maintains the welfare status of retained fish during tournaments.

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“…Temperature in live wells can be manipulated by chilling, largely through the addition of ice, and competitive fishing tournaments have encouraged such practices for moderate temperature reductions (Gilliland and Schramm 2009). Chilling has been shown to reduce mortality with temperature decreases of 6°C or less (Carmichael et al 1984;Schramm et al 2006;Loomis et al 2013;Keretz et al 2018), although recovery from exhaustive exercise may be slowed, particularly with large reductions in temperature (i.e., >10°C; Hyvarinen et al 2004;Suski et al 2006;Vanlandeghem et al 2010). Similarly, in aquaculture practices, fish may be netted and rapidly transferred to different temperatures when moved from ponds to tanks, moved between tanks, or placed in hauling containers.…”

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confidence: 99%

Effects of Acute Temperature Change Associated with Handling Practices on Metabolic Rate Stabilization in Two Centrarchids

Goff

Redd

Almond

et al. 2022

N American J Fish Manag

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Sportfishing and hatchery practices routinely subject fish to acute temperature changes through placement of fish in live wells and normal handling and transportation procedures. Acute temperature changes alter metabolic rate in ectotherms; however, the rapidity of the response to reach a new homeostatic state is not well known. Therefore, the response duration in metabolic rate after acute temperature change was measured in two centrarchid species, the Largemouth Bass Micropterus salmoides and Redear Sunfish Lepomis microlophus, which are representative of two different body shapes and are both commonly pursued in recreational fishing and reared in hatcheries. Largemouth Bass were acclimated to either 20°C or 30°C, and Redear Sunfish were acclimated to 24°C. Aerobic metabolic rate was measured immediately after acute temperature change (−4, +0, or +4°C) and was measured repeatedly in cycles of 5.5 or 10.0 min, respectively, until the metabolic rate stabilized. In Largemouth Bass, the metabolic rate stabilized similarly or more slowly following a moderate high-temperature shock (+4°C; 44 min) compared to transfer to conditions with no temperature change (+0°C) or a moderate low-temperature shock (−4°C; 16-48 min). In contrast, the metabolic rate in Redear Sunfish stabilized faster after transfer to +4°C (15 min) than after transfer to −4°C or +0°C (both 31 min), possibly because the elevated metabolic rate after transfer was sustained. Notably, for both species, metabolic rates stabilized at a generally lower level after transfer to −4°C than after transfer to +0°C or +4°C. Therefore, the duration until stabilization of metabolic rate after acute temperature change may depend upon species and acclimation temperature, although for both species examined, the energy savings in reduced metabolic rates after moderate cold shock may be beneficial for recovery from sportfishing or hatchery practices.

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The Effect of Water Temperature, Angling Time, and Dissolved Oxygen on the Survival of Largemouth Bass Subjected to Simulated Angling and Tournament Handling Procedures

Cited by 17 publications

References 57 publications

Technological innovations in the recreational fishing sector: implications for fisheries management and policy

Technological innovations in the recreational fishing sector: implications for fisheries management and policy

Physiological Consequences of Different Fishing Tournament Culling Methods on Largemouth Bass

Effects of Acute Temperature Change Associated with Handling Practices on Metabolic Rate Stabilization in Two Centrarchids

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