Stress, predators, and survival: Exploring permit (Trachinotus falcatus) catch-and-release fishing mortality in the Florida Keys

Holder, Peter; Griffin, Lucas P.; Adams, Aaron J.; Danylchuk, Andy J.; Cooke, Steven J.; Brownscombe, Jacob W.

doi:10.1016/j.jembe.2019.151289

Cited by 39 publications

(46 citation statements)

References 43 publications

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“…These two sites are probably important spawning locations for permit in the Florida Keys. Because permit form large spawning aggregations in particular locations at predictable times, they are especially vulnerable to capture by recreational fisheries and may also attract high densities of predators (Holder et al ., ). To date, recreational fishing regulations have focused on limiting permit harvest, but allowing C&R, during the spawning period (http://www.myfwc.com/fishing/saltwater/recreational/Permit/).…”

Section: Discussionmentioning

confidence: 97%

“…In these deeper‐water habitats, permit support another recreational fishery operated by boat fleets that have a greater tendency to harvest permit than the flats fishery (Brownscombe et al ., ). Further, high densities of opportunistic predators around deeper‐water structures can result in high predation rates (Holder et al ., ; B. Binder, unpubl. data).…”

Section: Introductionmentioning

confidence: 99%

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Seasonal occupancy and connectivity amongst nearshore flats and reef habitats by permit Trachinotus falcatus: considerations for fisheries management

Brownscombe

Griffin

Morley

et al. 2020

Journal of Fish Biology

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We used acoustic telemetry to quantify permit Trachinotus falcatus habitat use and connectivity in proximity to the Florida Keys, USA, and assessed these patterns relative to current habitat and fisheries management practices. From March 2017 to June 2018, 45 permit tagged within 16 km of the lower Florida Keys were detected at stationary acoustic receivers throughout the south Florida region, the majority of which remained within the Special Permit Zone, where more extensive fisheries harvest regulations are implemented. There was a high level of connectivity between nearshore flats (i.e., <3 m water depth) and the Florida reef tract (FRT; 15-40 m water depth), with 75% of individuals detected in both habitats. These locations probably function primarily as foraging and spawning habitats, respectively. Permit occupancy on the FRT peaked during the months of March-September, with the highest number of individuals occurring there in April and May. Specific sites on the FRT were identified as potentially important spawning locations, as they attracted a high proportion of individuals that exhibited frequent visits with high residency durations. There were also significant positive relationships between seasonal habitat-use metrics on the FRT and an empirical permit gonadosomatic index. Large aggregations of permit at spawning sites on the FRT are potentially vulnerable to the effects of fishing (including predation during catch and release) at a critical point in their life cycle. These data on permit space use and movement, coupled with knowledge of stressors on their ecology, provide insights for implementing science-based strategic management plans.

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Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Seasonal occupancy and connectivity amongst nearshore flats and reef habitats by permit Trachinotus falcatus: considerations for fisheries management

Brownscombe

Griffin

Morley

et al. 2020

Journal of Fish Biology

Self Cite

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“…Anesthesia could reduce stress levels in organisms by reducing the activity of metabolic, enzyme and ions in plasma (35). Stress was a trigger for death, including abalone, by affecting the blood which leading to reduce fitness, behaviour and immediate mortality (36). Anesthesia should not be overused.…”

Section: Discussionmentioning

confidence: 99%

The role of clove (Sygnium aromaticum) oil as anaesthetics compound for abalone (Haliotis squamata)

Fanni¹,

Shaleh²,

Santanumurti³

2021

IJVS

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Abalone is one of aquaculture commodity that has a high value including in Indonesia due to its price, taste and nutrition content. Unfortunately there is problem in abalone's transportation process which caused stress and even death. Clove oil can be used as anesthetic agent for abalone to obtain a high survival rate because of its eugenol content. This research tried to evaluate the the effect of clove oil as anesthesia agent to determined induction time, survival rate and oxygen cosumption in H squamata. This study used an experimental method and used a completely randomized design with treatment concentration of clove oil solution were 0.5 ml/L (A), 0.7 ml/L (B), 0.9 ml/L (C), and 1.1 ml/L (D) which each treatment was repeated three times, and calculated the value of the abalone (H. Squamata) survival rate after maintenance for 14 days. The results of the study showed that the survival rate of abalone seeds obtained in the treatment with the concentration of 1.1 ml/L (D). In the treatment also showed the fastest induction time with 96.67 seconds. The lowest oxygen comsumption rate in this study was treatment D with concentration of 1,1 ml/L. It could be concluded that using clove oil with concentration of 1.1 ml/L as anasthesic compound for abalone showed effectiveness in induction time, survival rate, and oxygen consumption rate.

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“…Almost all equilibrium impaired fish floated at the surface upside-down, which may have increased their visibility to avian predators as their light-colored undersides were more visible against the surface of the water (Ross & Hokenson 1997;Fairchild & Howell 2004). In marine environments, fish with impaired equilibrium are at greater risk for predation by other large fish or sharks (Danylchuk et al 2007a;Holder et al 2020). In environments with high predator densities, retaining fish until they are able to regain equilibrium quickly could reduce the incidence of post-release predation (Raby et al 2014).…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, fish that are released without equilibrium have limited locomotory function and are therefore more vulnerable to immediate predation (Danylchuk et al 2007a;Holder et al 2020).…”

Section: Introductionmentioning

confidence: 99%

The Role of Angler Behaviour on the Post-Release Locomotor Activity and Depth Selection of Angled Fish Revealed by Biologgers

Chhor¹

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Catch-and-release (C&R) angling is a growing practice worldwide with the number of fish released each year by anglers in the billions. Research has demonstrated that C&R can result in significant physiological stress for fish, however few studies have been able to observe fine-scale behaviour in the wild after they are released from angling events. Recent advancements in technology have led to the development of smaller biologging devices that are able to be attached to fish externally or surgically implanted in order to gather behavioural data of fish in the wild. The goal of my thesis was to assess fish behaviour in the wild following various angling scenarios using externally attached biologgers. Chapter 2 focused on assessing the impacts of air exposure on the post-release behaviour of three gamefish species. My data suggested that Northern Pike that were air-exposed exhibited decreased swimming activity immediately after release, however the same trends were not observed for Smallmouth Bass or Walleye. In chapter 3, I evaluated the efficacy of assisted recovery methods at reducing postrelease behavioural impairments in Rainbow Trout. I determined that assisted recovery was effective at reducing equilibrium impairments, especially if the water temperature in the recovery devices was significantly cooler than ambient surface water temperatures. In both chapters, behavioural data was gathered using externally attached biologgers equipped with tri-axial accelerometers and pressure/temperature sensors. Collectively, these results suggest that the impacts of a C&R event on the swimming activity of released fish can vary greatly with the species targeted, angler behaviour, and environmental factors. My thesis also introduces a novel, minimally invasive method for the external attachment of biologgers on fish for monitoring postrelease behaviour in a natural setting. II DedicationTo Steve, thank you for your constant support and positivity throughout my time in the lab. Over the past 3 years I've learnt things that I never would have imagined, such as how to drive a trailer, how to write code, and how to set the hook. I will forever be grateful for all the opportunities that this lab has given me. To Andy, Gabe, and Michael, thank you for your guidance. Advising a student remotely was not an easy task and I am grateful for the mentorship that I received from you all. To my field partners and closest friends: Danny, Alley, Jess, Ben, Pete, Jen and Brooke, thank you for sticking with me through thunderstorms, flat tires, and clouds of horse flies. This thesis wouldn't be possible without you all. To Ben, Rob, and Jake, thank you for your endless help with stats and R, and for always helping me with my code no matter how silly the question. To Britt, thank you for keeping me grounded through all the tough times, and for making me smile every single day. Lastly to my family, thank you for always encouraging and supporting me from the very beginning. You always helped me believe that I could do anything. III Co-authorshi...

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Stress, predators, and survival: Exploring permit (Trachinotus falcatus) catch-and-release fishing mortality in the Florida Keys

Cited by 39 publications

References 43 publications

Seasonal occupancy and connectivity amongst nearshore flats and reef habitats by permit Trachinotus falcatus: considerations for fisheries management

Seasonal occupancy and connectivity amongst nearshore flats and reef habitats by permit Trachinotus falcatus: considerations for fisheries management

The role of clove (Sygnium aromaticum) oil as anaesthetics compound for abalone (Haliotis squamata)

The Role of Angler Behaviour on the Post-Release Locomotor Activity and Depth Selection of Angled Fish Revealed by Biologgers

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