Buy two sexy yellow 1.3m Metre Barra waterproof 'kill' stickers for every 130cm+ barra you catch. Put it on your boat or car. The stickers are about 15cm wide by 7.5cm deep.
1. Carefully peel the whole sticker from backing and roll on to the hull or your car taking care not to create an air bubble. Use some soapy water on the hull if you wish, which will assist in the process.
Congratulations ... now everyone knows you are a barramundi fishing legend!