Chronic stress impairs the local immune response during cutaneous repair in gilthead sea bream (Sparus aurata, L.)

Mateus, Ana Patrícia; Anjos, Liliana; Cardoso, João C. R.; Power, Deborah M.

doi:10.1016/j.molimm.2017.04.008

Cited by 23 publications

(19 citation statements)

References 103 publications

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“…; Mateus et al. ), and this would be relevant with regard to fish with sea louse scars as well as those with unknown injuries in the present study. Regardless of the mechanisms of mortality, the association between visible injuries and migration failure indicates that damage to the integument can have significant consequences for salmonids migrating in freshwater.…”

Section: Discussionmentioning

confidence: 85%

“…A failure to heal wounds or vulnerability to greater infestation may be indicative of a stress-induced reduction in immune function (MacKinnon 1998), which could lead to elevated mortality during migration. Alternatively, others have identified osmoregulatory failure due to loss of the skin's barrier GILL-NET INJURIES PREDICT SPAWNING FAILURE function as a proximate cause of mortality for fish with missing skin (Olsen et al 2012;Mateus et al 2017), and this would be relevant with regard to fish with sea louse scars as well as those with unknown injuries in the present study. Regardless of the mechanisms of mortality, the association between visible injuries and migration failure indicates that damage to the integument can have significant consequences for salmonids migrating in freshwater.…”

Section: Responsementioning

confidence: 82%

“…; Mateus et al. ). The likelihood of a fisheries interaction resulting in FRIM may be dependent upon the physiological and environmental context (Brobbel et al.…”

mentioning

confidence: 97%

“…Shortterm FRIM may be caused by asphyxiation (Kojima et al 2004), pH disequilibrium following prolonged burst swimming (Wood et al 1983), or severe injury (Chopin and Arimoto 1995). Delayed FRIM may result from the immunosuppressive aspects of the stress response to capture (Pickering and Pottinger 1989), pathogen infections due to disruption of the integument (Svendsen and Bøgwald 1997), and physiological imbalance caused by the loss of barrier function provided by the integument (Olsen et al 2012;Mateus et al 2017). The likelihood of a fisheries interaction resulting in FRIM may be dependent upon the physiological and environmental context (Brobbel et al 1996) in which the event occurs and the type of fisheries gear that is in use (Patterson et al 2017a).…”

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confidence: 99%

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Visible Gill‐Net Injuries Predict Migration and Spawning Failure in Adult Sockeye Salmon

et al. 2018

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Fish that survive nontake fisheries interactions may subsequently die, a phenomenon that is generically termed “fisheries‐related incidental mortality” (FRIM). Gill nets, which typically asphyxiate fish and visibly damage their integument, inflict higher rates of FRIM than other commonly used gears. To better define FRIM associated with gill‐net encounters, an observational study coupled with biotelemetry measured migration survival and spawning success of a Sockeye Salmon Oncorhynchus nerka population during the final 45 km of their freshwater spawning migration (in 2014, 2015, and 2016). The daily prevalence of gill‐net injuries ranged from 0% to 80% of fish, resulting in an annual prevalence of 21–29% for females and 13–22% for males (over 3 years). Fish with visible gill‐net wounds had a 16% lower probability of completing their migration, and female fish with gill‐net wounds had an 18% lower probability of successfully spawning. As a result, the annual proportion of effective female spawners that died in the final 45 km of their migration due to gill‐net injuries was estimated to range from 3.8% to 9.9% (500 to 1,600 females). In addition, stray Sockeye Salmon from upriver populations commonly died at the tagging site, and visible gill‐net injuries were observed in half of those fish during a year with high mortality. If wild salmon populations continue to decline as climate change progresses, fisheries managers will be under greater pressure to minimize FRIM.

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Section: Discussionmentioning

confidence: 85%

Section: Responsementioning

confidence: 82%

“…; Mateus et al. ). The likelihood of a fisheries interaction resulting in FRIM may be dependent upon the physiological and environmental context (Brobbel et al.…”

mentioning

confidence: 97%

mentioning

confidence: 99%

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Visible Gill‐Net Injuries Predict Migration and Spawning Failure in Adult Sockeye Salmon

et al. 2018

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“…With respect to fishing-induced injuries, there is currently little known regarding the capacity for wild fishes to heal (Mateus, Anjos, Cardoso, & Power, 2017;Schmidt, Andersen, Ersbøll, & Nielsen, 2016). New research is just beginning to unravel the complex and interactions between stress, injury severity, disease and environmental context (Miller et al, 2014;Teffer et al, 2017).…”

Section: Synthe S Is and K Nowledg E G Apsmentioning

confidence: 99%

A synthesis to understand responses to capture stressors among fish discarded from commercial fisheries and options for mitigating their severity

et al. 2018

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Discarding non‐target fish from commercial fisheries is controversial and has been a persistent concern for fisheries managers globally. Discard management strategies typically begin by understanding mortality rates among discarded fish, a challenging task given the dynamic, highly context‐specific nature of fisheries. An alternative is to develop our knowledge of how stressors operate by first understanding the causes of mortality that drive this context dependence. Particularly relevant to mitigation efforts is an understanding of how fish respond to the physical factors of fishing, such as the gear itself and methods of fishing and handling the gear. We provide a synthesis of how commercial fishing methods may influence discard mortality and outline means by which capture‐induced stress and injury can be mitigated for common commercial gear types, emphasizing method variants or alternatives during capture, handling, and release that could improve survival. This synthesis identifies exhaustion and injury as the most detrimental and ubiquitous stressors experienced by discarded fish, with few options for mitigating their effects. Trawls and hanging net fisheries are identified as the most harmful gears for by‐catch, characterized by high stress regardless of method variants and limited options for mitigation. Irrespective of gear type and type of stressor, minimizing durations of capture and handling and encouragement of good handling behaviour (e.g., during landing and sorting) will reduce the magnitude of stress and injury in fish, and ultimately increase survival.

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A conservation physiological perspective on dam passage by fishes

2022

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Chronic stress impairs the local immune response during cutaneous repair in gilthead sea bream (Sparus aurata, L.)

Cited by 23 publications

References 103 publications

Visible Gill‐Net Injuries Predict Migration and Spawning Failure in Adult Sockeye Salmon

Visible Gill‐Net Injuries Predict Migration and Spawning Failure in Adult Sockeye Salmon

A synthesis to understand responses to capture stressors among fish discarded from commercial fisheries and options for mitigating their severity

A conservation physiological perspective on dam passage by fishes

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