PetriCheck – Fishing Rules

PetriCheck shows you closed seasons and size limits for Austria, Switzerland, Germany, the Netherlands, Sweden, Norway, Finland and the USA (Michigan, Minnesota, Wisconsin) – based on official national laws and ordinances.

PetriCheck answers your questions as an angler: Which closed seasons currently apply? What is the minimum size for this fish? Is this species protected? – right on your smartphone, even without internet access.

FEATURES
• Closed seasons and minimum sizes for over 40 fish species
• 8 countries: all 26 Swiss cantons, all 9 Austrian states, 16 German states, Netherlands, Sweden (5 regions), Norway (15 counties), Finland (13 regions), USA (MI, MN, WI)
• Local fish names: e.g. "Seesaibling (Rötel)" in CH and AT, "Egli" for perch in CH
• Fish size calculator: Was your catch large enough?
• Catch diary with photo capture (Premium)
• Closed season calendar with reminders
• Weather and fish bite forecast
• Offline ready – no Wi-Fi needed
• 8 languages: German, English, Dutch, Swedish, Norwegian, Finnish, French, Italian
• Dark Mode

SWITZERLAND
All 26 cantons with canton-specific rules. Cantons with special regulations receive an informational notice (e.g. Canton Zug: difference between lake and stream rules).

AUSTRIA
"Brittelmaß" instead of minimum size – correct Austrian terminology. All 9 states according to current state fishing laws.

LEGAL SOURCES
Austria: State fishing laws of all 9 states · bmnt.gv.at
Switzerland: Federal Fisheries Act (BGF, SR 923.0) and cantonal fishing ordinances · bafu.admin.ch
Germany: Fishing laws/ordinances of all 16 states
Netherlands: Rijksdienst voor Ondernemend Nederland (RVO) · rvo.nl
Sweden: Havs- och vattenmyndigheten (HaV) · havochvatten.se
Norway: Miljødirektoratet & Statsforvalteren · miljodirektoratet.no
Finland: Ruokavirasto (Finnish Food Authority) · ruokavirasto.fi
USA/Michigan: Michigan Department of Natural Resources · michigan.gov/dnr
USA/Minnesota: Minnesota Department of Natural Resources · mndnr.gov
USA/Wisconsin: Wisconsin Department of Natural Resources · dnr.wi.gov

DATA SOURCES, PRIVACY AND NOTICE
All information is based on the official fishing laws and regulations of the respective countries and regions. Data is regularly checked for accuracy. However, the officially applicable regulations always take precedence. Local regulations (e.g. for individual bodies of water) may differ. This app is intended solely as a guide and its content is for informational purposes. No guarantee is given for the accuracy and currency of the regulations. The information does not replace the angler's own responsibility.

PetriCheck is an independent, private app and is not affiliated with any government authority, fisheries authority or official body. The content was created with the utmost care; however, no guarantee can be given for accuracy, completeness or currency. The information on closed seasons, minimum sizes and other regulations is provided for information purposes only and does not replace the obligation to check the currently applicable regulations with the relevant authorities.

NOTE
The content is for informational purposes. No guarantee is given for the accuracy and currency of the regulations. The information does not replace the angler's own responsibility.

The app only passes user data to third parties if the user consents to the corresponding function (location, weather data). The app is designed to be as privacy-friendly as possible and keeps data on the device itself. No account or login is required. The app developer has no access to your data.

PETRICHECK PREMIUM
Core features free. PetriCheck Premium unlocks additional features such as catch diary, closed season calendar, fish measuring and extended statistics.

This app contains no advertising.