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