About Conservation
Fishing depends on functioning ecosystems. Conservation combines habitat protection, water-quality work, scientific surveys, harvest limits, invasive-species prevention, and responsible angler behavior.
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Harvest Limits
Bag limits and size limits control how many fish are removed.
Learn MoreSeasons
Closed seasons can protect fish during spawning or periods of high vulnerability.
Learn MoreHabitat
Fish need more than water.
Learn MoreWater Quality
Pollution and excess sediment can damage fisheries.
Learn MoreInvasive Species
Non-native organisms can transform habitats and food webs.
Learn MoreTagging and Surveys
Biologists track fish to understand movement and survival.
Learn MoreHatcheries
Hatcheries raise fish for stocking, restoration, or harvest support.
Learn MoreResponsible Release
Catch-and-release works best when fish are handled carefully and returned quickly.
Learn MoreHarvest Limits
Rules can protect young fish, large breeding fish, vulnerable species, or seasonal spawning groups.
Seasons
Season rules differ by species and location and can change as populations change.
Habitat
Spawning gravel, wetlands, submerged vegetation, woody cover, clean tributaries, estuaries, reefs, and migration routes can all be essential.
Water Quality
Nutrients, chemicals, plastics, warm runoff, low oxygen, and erosion can alter aquatic ecosystems.
Invasive Species
Cleaning boats and gear, draining water, and never moving live bait illegally help reduce spread.
Tagging and Surveys
Tags, nets, sonar, electrofishing, genetic sampling, and angler reports can all provide data.
Hatcheries
They can be useful but cannot replace healthy habitat. Managers also consider genetics and competition with wild fish.
Responsible Release
Using appropriate tackle, wet hands, supporting the fish, minimizing air exposure, and following local guidance can improve survival.