Why poke a hole before releasing the fish? #shorts

Why do fishermen poke a hole in a fish's belly before releasing it? This [music] process is called fish venting. Deep-sea fish live under intense pressure, so when they're pulled up too quickly, the sudden pressure drop causes their swim bladder to expand rapidly. This can damage organs and leave the fish floating helplessly at the surface. By carefully releasing the trapped gas with a needle, [music] anglers reduce the internal pressure, helping the fish regain balance and swim safely back to deeper water.