Whooshh Innovations fish passage system

Whooshh Innovations fish passage system enables fish to migrate safely, timely, efficiently and effectively.

FYI Whooshh are running an investment campaign via Start Engine...

https://www.startengine.com/whooshh

Note:
I am not affiliated with Whooshh in any way, (at time of posting) this is not investment advice, you're swimming on your own ;-)