They claim is is: "less traumatizing to the fish than getting caught and driven around on a truck." Not sure about that claim - but it is - if nothing else - entertaining:
http://www.theverge.com/2014/8/11/5983681/whooshh-innovations-wants-to-whooshh-your-fish-to-safety
http://www.theverge.com/2014/8/11/5983681/whooshh-innovations-wants-to-whooshh-your-fish-to-safety