Posted on Tuesday Aug 6, 2013 at 11:27 AM
Only from anecdotal observation - its my belief that Striped Bass in flowing rivers fare much better overall than do Striper brought up out of cool thermoclines - what you will find is that the larger striper congregate in the coolest river water available and basically cease to feed if they can't find water cooler than 75 degrees - the smaller fish (up to 10#) do fare better and feed more in warmer months - a prolonged battle with even smaller fish and you really just as well keep them in July, Aug, September
Like any athlete prolonged exercise and a dearth of O2 produces lactic acid build up in muscle tissue, especially in warm water months - this and infection due to stress is what eventually kills released Striped Bass - I worked with experimental holding and resting tubes when I was part of the National Striped Bass Association, as a way to justify C&R of tournament held Striper, the truth is that holding and resting a caught Striped Bass in highly oxygenated water has some merit, but as a tool is impractial aboard sport fishing boats - and it does work but ONLY from November to March in most Southern States - the longer you battle any fish, the odds of survival and recovery are in cool months about 60/40, in hot months 20/80 - tourney Largemouth over 5# suffer the same fates too - lots of variables, such as handling, hook locations, thermal shock, bleeding, water temps etc -
Kuk can expand more on this from the scientific biology perspective
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