Page 40: of Marine Technology Magazine (September 2025)

Aquaculture

MTR 100

ONE FISH,

TWO FISH:

AQUACULTURE

TECHNOLOGIES

ADAPT TO A

CHANGING WORLD

Source: FiiZK

By Celia Konowe quaculture plays an important role for the world,

FiiZK feeding billions around the planet. As the climate

FiiZK specializes in closed ? sh farming technology in sea, changes, ? sh stocks decrease and migrate to warm- and speci? cally in post smolt (salmon) production facilities.

Aer waters, threatening species and global food se-

They provide a complete solution for the ? sh farmer/opera- curity. Companies are adapting their technologies to combat tor by integrating various technologies to secure ? sh welfare these issues, including developing solutions to provide farm- through high quality water free from sea lice/other parasites, ers with insight on ? sh health and welfare, encouraging sus- predators and shelter for juvenile salmon. tainable farming practices, and adjusting to climate impacts.

The FiiZK Protectus is a steel ? oating collar which supports a closed containment bag and a net. This gives two barriers to prevent ? sh escape from the facility. Water is collected form a depth of at least 25, and circulated in the system through six water inlets. The full water volume is 30,000 cubic meters and

The FiiZK Protectus is replaced every 72 minutes.

The water circulation systems secure a good production environment free from sea lice and parasites, jelly? sh, other predators. It also reduces the risk of contamination and dis- eases. The water is also monitored for temperature, salinity and oxygen saturation.

At the bottom of the bag is a water outlet system, where sludge and feces can be collected. The sludge is transport through the sludge handling system to another system for han- dling, storing and disposal.

Aquabyte

Aquabyte provides AI and camera-based decision support for ? sh farming of salmonides. Their system leverages AI and machine learning to deliver real-time data for ? sh farmers while reducing the amount of physical handling of the ? sh.

They provide data on ? sh weight and growth, welfare indi- cators such as skin health and ? n damage, and data on the behavior of the ? sh in the pen.

Source: FiiZK 40 September/October 2025

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