Recovery of visual performance in rosy rockfish (Sebastes rosaceus) following exophthalmia resulting from barotrauma

Rogers, Bonnie L.; Lowe, Christopher G.; Fernández‐Juricic, Esteban

doi:10.1016/j.fishres.2011.08.001

Cited by 16 publications

(9 citation statements)

References 36 publications

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“…rosy rockfish, Sebastes rosaceus Girard, captured from 63–100 m that were immediately recompressed in a portable hypobaric chamber, Rogers et al . ). The single recompressed fish that had exophthalmia in the current study survived over three days, even after a 15‐min surface interval.…”

Section: Discussionmentioning

confidence: 97%

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Clinical signs of barotrauma in golden perch, Macquaria ambigua (Richardson), and associated effects on post‐release mortality and health

Hall

Broadhurst

Butcher

2013

Journal of Fish Diseases

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This study assessed the effects of different retrieval depths (2, 10 or 20 m), surface intervals (none or 15 min) and release methods (untreated, vented or recompressed) on the incidence of external and internal clinical signs of barotrauma (ECSB and ICSB) and post-release mortality in golden perch, Macquaria ambigua (Richardson). Fish were assessed for ECSB before and after surface intervals and either monitored for mortality over 3 days in two deep cages or killed for internal examination. When all fish were left untreated, short-term mortality increased with retrieval depth from 0% and 4.2% among 2 and 10-m fish, respectively, to 19.2% among 20-m fish; while surface interval only affected the incidence of two ECSB (excess buoyancy and a prolapsed cloaca). Mortality was also greater among 20-m fish that were subjected to a 15-min surface interval and left untreated (22.2%) or vented (22.2%) than those that were recompressed (5.6%). Of the ECSB, only exophthalmia was associated with increased mortality, with half of the affected fish dying. However, many fish retrieved from 10 and 20 m also sustained numerous ICSB, including compressed gonads or vital organs and ruptured or collapsed, haemorrhaging swimbladders that remained deflated for up to 3 days after release.

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Section: Discussionmentioning

confidence: 97%

“…Among other teleosts, exophthalmia and associated mortality, recovery and visual or behavioural impairment have varied considerably (Hannah et al . ; Rogers, Lowe & Fernández‐Juricic ). For example, over similar depths neither M. novemaculeata (Roach et al .…”

Section: Discussionmentioning

confidence: 99%

Clinical signs of barotrauma in golden perch, Macquaria ambigua (Richardson), and associated effects on post‐release mortality and health

Hall

Broadhurst

Butcher

2013

Journal of Fish Diseases

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“…Previous studies involving descender devices have proven them beneficial for increasing postrelease survival in several species of Pacific rockfish Sebastes sp. (Jarvis and Lowe 2008;Hochhalter and Reed 2011;Rogers et al 2011;Hannah et al 2012;Pribyl et al 2012) and Australian snapper Lutjanus sp. Butcher et al 2012).…”

Section: Red Snapper Delayed Mortalitymentioning

confidence: 99%

Quantifying Delayed Mortality from Barotrauma Impairment in Discarded Red Snapper Using Acoustic Telemetry

et al. 2015

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Red Snapper Lutjanus campechanus is the most economically important reef fish in the Gulf of Mexico, and despite being intensively managed, the stock remains overfished. These fish are susceptible to pressure‐related injuries (i.e., barotrauma) during fishing that compromise survival after catch and release. Barotrauma‐afflicted fish may not only experience immediate mortality but also delayed mortality after returning to depth. This variability and unknown fate leads to uncertainty in stock assessment models and rebuilding plans. To generate better estimates of immediate and delayed mortality and postrelease behavior, Red Snapper were tagged with ultrasonic acoustic transmitters fitted with acceleration and depth sensors. Unique behavior profiles were generated for each fish using these sensor data that allowed the classification of survival and delayed mortality events. Using this information, we compared the survival of Red Snapper released using venting, nonventing, and descending treatments over three seasons and two depths. Red Snapper survival was highest at cooler temperatures and shallower depths. Fish released using venting and descender tools had similar survival, and both these groups of fish had higher survival than nonvented surface‐released fish. Overall, Red Snapper had 72% survival, 15% immediate mortality, and 13% delayed mortality, and all fish suffering from delayed mortality perished within a 72‐h period after release. Results from these field studies enhance the understanding of the delayed mortality and postrelease fate of Red Snapper regulatory discards. Moreover, these data support the practice of using venting or descender devices to increase the survival of discarded Red Snapper in the recreational fishery and show that acoustic telemetry can be a valuable tool in estimating delayed mortality. Received March 6, 2015; accepted July 15, 2015

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“…Few Yelloweye Rockfish exhibited exophthalmia; however, fish that were captured from depths greater than those examined in this study (>70 m) typically have more severe barotrauma injuries (Hannah and Matteson 2007;Jarvis and Lowe 2008;Rogers et al 2011). Rogers et al (2011) examined exophthalmia in Rosy Rockfish S. rosaceus and found that even though barotrauma injury disrupted visual performance, recompression quickly alleviated those symptoms and allowed fish to resume normal visual capabilities. If rockfish are unable to resume normal vision or physical functions, they will likely have difficulty finding prey, which could affect fitness and the energy allocations needed for reproduction.…”

Section: Discussionmentioning

confidence: 69%

Reproductive Status and Blood Plasma Indicators of Sex and Gonad Maturation Status for Yelloweye Rockfish Following Barotrauma and Recompression Events

Blain

Sutton

2016

Trans Am Fish Soc

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Discard mortality of rockfishes Sebastes spp. is a management concern along the West Coast of North America. Although many rockfish species survive after barotrauma and forced recompression, it is unclear whether these mechanisms affect reproductive success. We examined whether (1) Yelloweye Rockfish S. ruberrimus in Prince William Sound, Alaska, could reproduce up to 2 years after one or more barotrauma and recompression events; and (2) blood plasma indicators (i.e., vitellogenin [VTG] and calcium [Ca2+]) could be used to identify sex and gonad maturation stage. In 2010, we captured and examined Yelloweye Rockfish that had been tagged in 2008 and 2009, and all mature females were gravid or spent. The most common barotrauma sign was esophageal eversion, with females and males exhibiting this injury 50% and 90% of the time, respectively. All other injuries, except swim bladder ruptures and tears, occurred at low frequencies and (with the exception of esophageal eversion) increased in frequency with capture depth. Mean plasma VTG concentrations for females were greater than those for males; with the exception of stage‐0 females, there were no differences in VTG among female gestation stages. Mean plasma Ca2+ concentrations for stage‐2 females differed from those of males, stage‐0 recruits, and immature fish. However, there was no difference in mean Ca2+ among female reproductive stages. These results indicate that reproduction of Yelloweye Rockfish is not affected after barotrauma and recompression events and that blood plasma measures show variable success as indicators of sex and female reproductive status. Received March 16, 2016; accepted August 12, 2016 Published online September 30, 2016

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Recovery of visual performance in rosy rockfish (Sebastes rosaceus) following exophthalmia resulting from barotrauma

Cited by 16 publications

References 36 publications

Clinical signs of barotrauma in golden perch, Macquaria ambigua (Richardson), and associated effects on post‐release mortality and health

Clinical signs of barotrauma in golden perch, Macquaria ambigua (Richardson), and associated effects on post‐release mortality and health

Quantifying Delayed Mortality from Barotrauma Impairment in Discarded Red Snapper Using Acoustic Telemetry

Reproductive Status and Blood Plasma Indicators of Sex and Gonad Maturation Status for Yelloweye Rockfish Following Barotrauma and Recompression Events

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