What is RAS technology?

RAS (Recirculating Aquaculture Systems) is land-based fish farming technology that continuously filters, oxygenates and recycles water inside closed tanks, enabling high-density production with minimal water use.

How much does a RAS facility cost?

Capital cost typically ranges from $8,000 to $25,000 per ton of annual capacity, depending on species, scale and automation level. FishMatch Group helps you source competitive quotes.

Which species are best for RAS?

Salmon smolt, post-smolt salmon, trout, barramundi, tilapia, shrimp and ornamental species are most commonly produced in RAS.

Aquaculture Technology

Recirculating Aquaculture Systems (RAS)

Recirculating Aquaculture Systems (RAS) enable high-density, land-based fish production with up to 99% water reuse. FishMatch Group sources complete RAS facilities and components from the world's leading manufacturers — including biofilters, drum filters, oxygenation, degassers, UV and ozone systems.

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Key Benefits

95–99% water reuse
Year-round production
Biosecurity by design
Reduced environmental footprint
Independence from natural waterbodies
Predictable harvest scheduling

Typical Applications

Atlantic salmon smolt and post-smolt
Trout and Arctic char
Tilapia and barramundi
Shrimp post-larval and grow-out
Hatcheries and nurseries

Frequently Asked Questions

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