Although many people are against this catch and release there are many people that are for it. There are three main reasons why sport fishing is beneficial. First and foremost, when there are plenty of fish in the ocean, the rivers, lakes and, ponds and people have been catching and releasing for years then why should it affect anything now. It will make the population go down faster if you keep all the fish you get. It will kill them faster if you keep all the little fish people catch. In addition, there are many creatures on earth that people kill and don 't eat and there are many things that have went extinct, but fish will always be on earth. If people dont even out the population then fish will die out. In contrast, if people don