Shrimp Farming· Jun 2026·11 min read

RAS Shrimp Farming: The Complete Guide

Indoor RAS raceway holding whiteleg shrimp

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Shrimp RAS is no longer experimental. Producers in Europe, the Middle East and increasingly Vietnam use RAS to control disease, water use and stocking density.

Core RAS subsystems

Drum filter for solids, MBBR or fixed-bed biofilter for ammonia, protein skimmer, oxygen cone, ozone or UV polishing, denitrification reactor for nitrate, and SCADA for control.

Stocking density

Super-intensive RAS shrimp regularly stocks at 300–500 PL/m² producing 4–8 kg/m²/cycle.

Energy

Energy is a major OPEX line. Heat recovery and variable-speed drives matter.

Financing options

ECA-backed export finance and equipment leasing can be evaluated by independent third-party providers.

Aquaculture planning benchmarks

Indicative global planning ranges used in FishMatch Group calculators. Supplier quotes and site data confirm final values.
Figure	Value	Context
CAPEX — RAS	USD 9,000–14,000 per tonne/yr	Global baseline before country cost factor.
CAPEX — Ponds	USD 1,800–4,000 per tonne/yr	Lined or earthen ponds, excluding land.
CAPEX — Cages	USD 2,500–5,500 per tonne/yr	Cages, moorings, nets and service equipment.
CAPEX — Flow-through	USD 4,000–7,000 per tonne/yr	Raceways and water intake works.
Energy use	RAS ~6 kWh/kg; ponds ~1.2; flow-through ~1.5; cages ~0.3	Per kg of fish produced.
Typical FCR	Trout 1.1; salmon 1.2; shrimp 1.4; tilapia 1.6; carp 1.8	kg feed per kg growth; varies with feed and management.
Farm size where FishMatch reviews projects	From ~USD 250,000 total project value	Commercial fish and shrimp projects.

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Equipment scope

What equipment does a commercial aquaculture project actually need?

A grow-out project typically needs holding infrastructure (tanks, ponds or cages), water movement (pumps, piping, valves), aeration or oxygenation, water treatment appropriate to the system, feeding equipment, grading and handling gear, monitoring and alarms, and backup power. RAS adds mechanical filtration, biofiltration, degassing, disinfection and tighter process control. Hatchery and processing scopes are specified separately.

Which equipment should be specified before requesting quotes?

Specify the items whose sizing changes everything downstream: design biomass and stocking density, water exchange or recirculation rate, oxygen demand at peak temperature, and installed pumping head. With those four fixed, suppliers can quote aeration, filtration, pumps and power on the same basis. FishMatch calculators produce these figures and attach them to the RFQ.

Can equipment be sourced in stages?

Yes, and phased procurement is common. The usual sequence is water supply and holding infrastructure, then aeration and treatment, then automation and monitoring, then processing and cold chain. Staging works when interfaces and capacity headroom are defined at the start; otherwise later phases force replacement rather than addition.

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