It is often best to throw them head first back into the water to force a rush of water through their gills. If you’ve ever hooked a rockfish at depth and brought it to the surface only to be greeted by a fish with strange bulging eyes, a bloated abdomen, and its stomach jutting out its mouth, you’ve witnessed a condition called barotraumaa condition that can be reversed thanks to descending devices. Pelagic fish such as tuna and mackerel are fragile and should be handled carefully. You should release fish into bank side cover or snags to provide protection while they recover. If it is safe to do so you should revive a tired fish by holding it gently in the water with its head facing into any current to allow water to pass over its gills. if practical and safe, remove the hooks while the fish is still in the water.when a fish is deeply hooked cut the line close to the mouth and leave the hook in place.do not put a fish you want to release on a hot surface.support the fish's weight horizontally by using both hands.You should apply all of the following when handling fish: non-offset circle hooks when using bait.tackle and gear that matches the size of the fish you are targeting.You should release fish as soon as possible after capture. You can improve a fish's chance of survival by using certain handling techniques, fishing gear and careful release back into the water. If you are on a charter boat and you don't want to keep the fish, ask the skipper to target fish species that are suited to catch and release and are less likely to suffer from barotrauma. use large non-offset circle hooks, a minimum of 5/0, to prevent catching smaller fish.change locations if you keep catching juvenile or unwanted reef fish.keep reef fish you catch, within the possession limit, as they are unlikely to survive if released.target species such as barramundi or trevally that are less prone to barotrauma.stop fishing if you have caught enough for your needs.You should follow all of these guidelines to prevent barotrauma when reef fishing in water deeper than 10m: the fish can't swim down from the surface.the fish has a bloated stomach and bulging eyes.the fish’s stomach is pushed out through its mouth.In waters deeper than 10m, most fish with any of the following symptoms are unlikely to be fit for release: Most reef fish species can suffer barotrauma, especially black jewfish and golden snapper. ![]() There are ways you can reduce the affects of barotauma on fish when you catch and release them. Barotrauma in fish is an injury caused by the expansion of gases in the body due to a decrease in pressure as the fish is brought up from deep water.
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