Aquaculture buyer FAQ hub

Fix species, annual capacity, site and budget range first, then convert them into a structured RFQ so every supplier quotes the same scope. Starting with supplier catalogues produces offers you cannot compare.

Species and target tonnage, system type, water source and quality, site and climate data, available power, required documentation, delivery terms (EXW/FOB/CIF), commissioning and training expectations.

Three to five qualified suppliers per scope is usually enough to see the real technical and price spread without slowing the project down.

Normalise scope before price: included spares, installation and commissioning, warranty, energy consumption per tonne, lead time and payment terms often move the true cost more than the headline number.

Mechanical filtration, biofiltration, degassing/CO2 stripping, oxygenation, pumping, disinfection, monitoring and backup power — all sized from biomass and daily feed load.

Pumping, oxygen supply and temperature control dominate the load. Connected power rises with flow rate, total head and treatment intensity; size it with the project sizer before asking suppliers for prices.

Most commercial RAS replace roughly 5–10% of system volume per day, depending on species, feed load, treatment and discharge rules. Lower exchange means heavier treatment and higher energy.

Capex and energy per tonne are higher, offset by biosecurity, site independence, water savings, year-round output and proximity to market.

Lined intensive ponds, biofloc raceways or indoor RAS — the choice follows climate, biosecurity risk, land and water cost and the price your market pays for year-round supply.

Aeration follows biomass and feeding rate, not pond area alone. Intensive ponds need substantially more installed aeration per hectare than semi-intensive ones; oxygen demand peaks late in the cycle.

Aeration, pond liners, intake and water treatment, automatic feeders, pumps and water-quality monitoring — in that order for most intensive projects.

Sometimes. Salinity, pond depth, aeration capacity, intake treatment and biosecurity usually need rework, so treat it as a redesign rather than a swap of stock.

It depends on market price, climate and feed cost. Tilapia, shrimp, salmon, seabass, barramundi and catfish all have different economics — model your own feed, energy and market numbers before choosing.

Multiply target biomass produced by the expected FCR, then adjust for mortality, feeding tables and temperature. Feed is usually the largest single operating cost.

Water availability and quality, temperature range, power supply, discharge and permitting options, logistics to market and access to trained workforce.

It varies by country, but typically water abstraction, effluent discharge, environmental impact assessment, construction approval and an aquaculture or veterinary licence.