![]() That fish might die at the surface or a predator might pick it off. A bloated swim bladder can also act like swim floaties, preventing the fish from returning to deeper water when it’s released. The fish’s eyes may bulge out of its head. The gas inside a fish’s swim bladder, an internal organ that helps them float, expands and can even push other organs out of the fish’s mouth. When fish from about that depth or deeper are brought to the surface, the sudden drop in pressure can lead to injuries called barotrauma.īarotrauma looks extremely uncomfortable. The pressure at 90 feet underwater is almost four times greater than at sea level. They’ve also confirmed that helping a fish get back to deep water, through strategies like venting and recompression, significantly increases a fish’s chance of survival.ĭeepwater fish live under pressure. Over the past few years, they’ve determined discard survival likelihood for several deep fish species. Researchers at North Carolina State University’s Center for Marine Science and Technology, or CMAST, have been studying the fate of released fish, called discards, to more accurately estimate death rates from fishing and to improve survival of discards. ![]() Learn how you can be in the Sponsor Spotlight You may refer a friend to earn another raffle entry! Learn more. Your membership at any level enters you in the drawing for a weekend for two in Beaufort, while your dollars help protect and restore our beautiful coast. ![]() Recent Articles Decades of water quality safeguards erased, advocates say New federal rule puts 2.5 million acres of wetlands in peril Ongoing study may show overlooked algal bloom causes Analysis: Farm Act axes motive to protect shoreline trees. ![]()
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