Yes, there are a few things you need to keep in mind if you plan on practicing catch and release when trout fishing in Washington State. First and foremost, make sure you know the regulations before heading out on your trip. There are specific rules for freshwater and saltwater fishing, so be sure to know which laws apply to your fishing location. In addition, there may be emergency rules or special rules in effect for the chosen area that you should be aware of before casting your line. There are also bag limits, minimum fish sizes, and specifications on which fish you can catch depending on where you are and the time of year. To ensure you're following all the applicable regulations, it's a good idea to download the free Fish Washington App from either the Google Play Store or Apple store. The app includes up-to-date information on all state fishing regulations to stay informed while on the water.