OTAQ SealFence; an ultrasonic solution to seal and sea lion attacks - Video

An introduction to SealFence; a unique, ultrasonic seal and sea lion deterrent system designed for the marine aquaculture industry. SealFence uses a network of underwater projectors to create an ultrasonic fence of protection around your farm. There are 100s of Sealfence systems deployed around the world protecting fish 24/7 Also known as a seal scarer or Acoustic Deterrent Device.