Aquaculture Worker
Farm fish and shellfish in land-based facilities, sea cages, and coastal beds — a growing sector supporting UK food production and coastal community employment.
High
Low
1–2 years via direct entry to a farm with Level 2/3 qualification; 2–3 years via Level 3 apprenticeship
Level 3 Aquaculture apprenticeship standard (Lantra/Seafish); Level 2/3 Diploma in Aquaculture; or relevant fisheries and marine qualifications
What you do
Aquaculture workers farm fish and shellfish for food production across a range of systems: sea cage aquaculture (Atlantic salmon and sea trout in sea lochs, primarily in Scotland), land-based recirculating aquaculture systems (RAS) for trout, salmon, and other species, and coastal bivalve farming (mussels and oysters on trestles or longlines in tidal estuaries and bays). Tasks include feeding fish using automated feeders or by hand, monitoring water quality (oxygen, temperature, pH, ammonia), grading and harvesting fish, operating nets and sorting equipment, and maintaining infrastructure.
Shellfish workers harvest, sort, grade, and dispatch mussels and oysters from tidal beds and longlines — work that is tidal and seasonal in nature. Hatchery workers manage the early-stage production of fish fry and shellfish spat (juveniles), requiring careful control of feeding regimes, water quality, and disease prevention in high-density nursery systems.
Lantra (the land-based industries awarding body) and Seafish (the seafood industry body) jointly support the Level 3 Aquaculture apprenticeship standard, which covers freshwater and marine aquaculture. Scotland is the dominant UK production region for salmon, but land-based RAS systems are being developed in England and Wales, expanding the geographic spread of employment.
Why this career is resilient
UK aquaculture is a growing sector — Scottish salmon is the UK's most valuable food export by volume, and the industry is expanding capacity to meet global protein demand and reduce pressure on wild fisheries. Land-based RAS systems are being built across the UK as a more sustainable and controllable production model, creating new employment away from coastal locations. The physical, hands-on, and site-specific nature of aquaculture work makes it impossible to automate fully or offshore — fish and shellfish must be tended where they are grown.
Coastal and island communities in Scotland, Wales, Northern Ireland, and south-west England depend on aquaculture for employment and economic activity. Aquaculture Stewardship Council (ASC) certification requirements drive demand for skilled, knowledgeable staff who can manage quality and compliance. The sector is resilient to automation at the farm operative level — the biological variability of live animals requires constant human observation and judgement.
A typical day
Arrive at the salmon farm by 7am for the morning feed round: tour the cages by workboat, monitor automated feeder sensors, and make manual adjustments to feed rates based on fish behaviour. Check water quality data — oxygen levels, temperature, and sea lice monitoring. After the morning round, carry out a net change on one pen — lower clean nets and lift fouled nets for shore cleaning. Afternoon: assist with a grading and harvest day — sorting fish by size using a grader and recording weights for stock records and welfare logs.
Routes in
Apprenticeship
Earn while you learn: work with an employer and study part-time, leading to a nationally recognised qualification. Typically funded by the government and your employer.
Employer-funded training
Some employers — particularly the NHS, emergency services, and larger care providers — run their own funded training programmes. You apply for a job and train as you work.
Pay and costs
Earning potential: Entry-level farm operatives earn £20,000–£26,000. Experienced operatives and site supervisors earn £26,000–£36,000. Farm managers and senior technical staff earn £36,000–£50,000. Remote Scottish and island locations often include accommodation as part of the package.
Training costs: Level 3 Aquaculture apprenticeship: no upfront cost. Direct entry to farm operative roles: paid from day one. Sea survival and safety qualifications (RYA Powerboat Level 2, STCW Sea Survival): £300–£600 and often employer-funded on marine sites.