Stingray Marine Solutions AS fish delousing laser - GIF

[BuffaloJohn]

I had to look this one up and it is pretty interesting:

https://www.laserfocusworld.com/bioo...-noninvasively

Short version, sea lice are 8-12mm in size, they attach themselves to salmon as a parasite, the device uses a vision to recognize the sea lice and then zaps it with a green laser.