What Affects Aquaculture OPEX?
Operating cost, not capital cost, decides whether a technically successful farm is a profitable business. The aquaculture OPEX guide sets out the full cost structure; this article covers the drivers that move it most.
Feed and FCR
Feed is normally the largest line, and feed conversion ratio has the shortest payback of any lever. Economic FCR counts everything fed, including feed invested in animals that later died. Model it with the FCR calculator, the FCR cost impact calculator and the feed budget calculator.
Survival and health management
A survival assumption that slips late in the cycle carries the full weight of the feed already invested, which is why biosecurity, monitoring and diagnostics have direct operating value. For shrimp, the survival profit calculator shows how sensitive margin is to a few percentage points.
Energy
Pumping, aeration, oxygenation and temperature control, priced against the local tariff, peak charges and diesel backup hours. Aeration efficiency in kilograms of oxygen per kWh is a fair comparison metric across suppliers. Use the energy cost calculator and, for pond systems, the shrimp farm energy calculator.
Labour
RAS and hatcheries need fewer but more skilled staff with reliable shift cover; ponds and cages need larger field and harvest crews. Wage levels and available technical skills are country-specific and belong in the local model.
Consumables, maintenance and spares
Oxygen, filter media, UV lamps, veterinary support, wear parts and critical spares held on site. Realistic service response time in the project country is part of the operating model, not an afterthought — it is one of the criteria in supplier comparison.
Freight, cold chain and market access
A farm can hit its production target and still lose margin at the last mile if chilling, transport and documentation were never costed. The cold storage calculator and processing capacity calculator cover the downstream side.
Bring it together in the operating cost calculator and the commercial ROI calculator, then compare with the local reality on a country page such as tilapia farming in Zambia or fish farm setup in Kenya. Indicative planning only; not financial advice.
Frequently asked questions
Guides, calculators and country pages for this topic
Use the guides for the decision framework, the calculators for indicative numbers, and the country pages for local scope and cost context. FishMatch reviews every request by hand before any supplier is approached — directory and country pages are for research, not automatic matching.
Guides
Calculators
Aquaculture planning benchmarks
| 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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Where this fits in a real project
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