![]() ![]() This is nice as it is a dedicated system to release rockfish. A rope is used to lower and raise the crate. On the bottom, the rebar is attached to add weight. It is a milk crate with a clear plastic top. This is a unique way to build a custom fish descended. This is a large yelloweye rockfish and three pounds of weight is needed to sink the fish. The video below shows a fish with barotrauma being released with a deepwater release device. On the other end is a swivel which has the line coming from the fishing rod. The picture above shows a fish descended with a lead ball weight attached. At this point, the air within the fish will be back to a small volume, and the fish should be fine. After a long count depending on the depth, the rig then starts to be brought back up, and the fish slides off the hook. The fish lip is placed on the hook and the weight brings the fish deep. It works by adding a 1-3 pound lead weight to one end. The Sheldon release device is another popular type of fish descender, especially for fish under 5 pounds. That is one reason why a fish descender must be used. Venting a fish brought up from deep depths would not be enough to allow the fish to swim back down. This has been done in many videos showing that when the expanded air is compressed back to its original size the fish can survive. This helps demonstrate that fish with serous barotrauma such as an inverted stomach, bulging eyes, and an inflated swim bladder can survive if properly released. It has an underwater video of the rockfish being brought back to depth. The video above shows how to use a Seaqualizer deep water fish descender. Here is a chart showing some of the types of rockfish. The fish should be sent down as close as possible to the original depth. It is hard to recover the fish again when on anchor. If the depth setting is not deep enough the fish will rise back to the surface and die. Large yelloweye rockfish and snowy grouper caught in 200 feet or more will likely take 3-5 pounds of lead weight to sink. All the way out is the shallower setting and pushed in is the deepest setting.Ī small rockfish in 100 feet of water or less will probably only need a 1 pound weight sink. There are three groves in the back that adjust the release depth. ![]() Each device can be released at three different depths, 30, 50, and 70 feet for the shallow device, 50, 100, 150 feet for the standard model, and 100, 200, 300 feet for the deep model. The other side is connected to a weight or downrigger ball. It works by clamping the top or bottom lip of the fish with the lip grippers. The Seaqualizer is becoming the most popular rockfish release device used in Alaska. Fish Descenders and Rockfish Release Devices Now, let us look at the different kinds of fish descenders. This is because the small amount of air in the fish expands significantly as it is brought up from deep depths. Large reels are needed when releasing large yelloweye and large grouper as it is common to need three or more pounds of weight to get the fish to sink. It does not have to be a particular kind but needs to be readily available and function properly.Ī fish descender can be used on a regular fishing rod, electric reel, or downrigger. In Alaska, it is illegal to use a vent tool on rockfish and it is required that every boat have a rockfish release device on the boat which is also called a fish descender. It is important to try and minimize the amount of deep fish caught that are not going to be kept to eat. ![]() Even fish that have their eyes bulging and stomach coming out of their mouths can still live if properly released. This does cause damage to the fish which can result in the area becoming infected and the fish dying.Ī fish descended uses a clamp or hook in addition to large weight to bring the fish back to a deep depth. Fish vent tools use a sharp hollow needle to puncture the swim bladder which releases the air within the swim bladder and stomach. Using a fish descender is the preferred way to release a fish although it is a bit more work. Fish descenders and vent tools are tools used to help release fish that have been brought up from depths over 50 feet deep. ![]()
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