"It is illegal to transport, introduce, or use prohibited aquatic
animal and plant species in the state. WDFW encourages
citizens to be vigilant in preventing the introduction or
spread of prohibited and other non-native species. To report
sightings and learn more about what you can do, please call
(360) 902-2700 or visit
http://wdfw.wa.gov/conservation/
fi sheries_management/ and click on the “Aquatic Nuisance
Species” link."
Directly pulled from the licensing pamphlet, but just covers invasives. I still don't know about holding or transporting non-invasive sport fish, ie: green sunfish or bluegill.
Anyone?