Agriculture & EnvironmentISCO 6221
Aquaculture husbandry worker
Aquaculture husbandry workers are active in the production of aquatic organisms in land-based on-growing processes. They assist in the process of raising organisms through all stages of their life cycle.
Check yourself in a minute: aquaculture husbandry worker
Rate 5 of the 39 essential skills of this occupation (European ESCO data). No account needed.
maintain aquaculture ponds
follow hygienic practices in fishery operations
collect dead fish
load equipment
clean aquaculture stock units
About aquaculture husbandry worker
As an aquaculture husbandry worker, you will be responsible for raising aquatic organisms—such as fish and shellfish—from egg through to market-ready size in controlled land-based environments. Your daily responsibilities include monitoring water quality, feeding livestock, observing animal health, maintaining ponds and raceways, and ensuring strict biosecurity protocols are followed to prevent disease outbreaks. You will work hands-on with aquatic species, collecting data on growth rates, mortality, and behavior while performing routine maintenance and cleaning tasks. This role demands environmental awareness, attention to detail, and genuine care for animal welfare.
Aquaculture is a rapidly expanding industry in Poland and globally, driven by growing demand for sustainable protein sources. Employment prospects are excellent as the sector modernizes and consolidates. You may progress from entry-level positions to hatchery management, quality assurance, or farm supervision roles. The work is physically demanding and often performed outdoors or in wet environments, but offers meaningful career satisfaction for those passionate about food production and environmental stewardship.
Key Work Functions
Core areas of responsibility for a aquaculture husbandry worker.
1
Water Quality Management
- Monitor water quality parameters including temperature, pH, dissolved oxygen, and ammonia levels
- Operate biological filtration systems and water treatment equipment
- Use water disinfection equipment when required to maintain biosecurity
- Maintain aquaculture water quality in both growing ponds and hatcheries
2
Animal Health Monitoring and Care
- Monitor fish health status daily, observing behavior and physical appearance for signs of disease
- Monitor larval growth and development stages from hatch to juvenile
- Assist with vaccination procedures under veterinary supervision
- Collect dead fish and maintain records for health assessment
3
Feeding and Nutrition Management
- Carry out daily feeding operations following established protocols and schedules
- Calculate and dispense appropriate feed quantities based on stock size and life stage
- Monitor feed consumption and adjust feeding rates based on animal response
- Maintain feed inventory and storage in optimal conditions
4
Stock Management and Data Collection
- Stock fish into growing units following biosecurity and handling protocols
- Perform fish grading operations to sort by size and development stage
- Collect growth rate information and biometric data for analysis
- Measure the impact of specific aquaculture activities on stock performance
5
Facility Maintenance and Biosecurity
- Clean aquaculture stock units and rearing tanks following hygiene protocols
- Maintain aquaculture ponds by removing debris and preventing algal blooms
- Follow hygienic practices in fishery operations to prevent contamination
- Operate forklift and load equipment for feed and supply distribution
European Skills Framework
Skills and knowledge areas required for this occupation based on European classification.
Essential (39)
biosecuritybiosecurityBe aware of the general principles of the concept of bio-security and in particular, the disease prevention rules to be implemented in case of epidemics endangering public health.maintain aquaculture pondsmaintain aquaculture pondsClean equipment and treatment tools. Drain and clean aquaculture ponds using brushes, chemicals, and water. Prepare holding containers for fish and change the nets. Conduct swimthroughs. Stock fish in...follow hygienic practices in fishery operationsfollow hygienic practices in fishery operationsComply with the right regulations and practices for hygienically handling fishery related tasks and responsibilities in fishery operations.collect dead fishcollect dead fishGather dead fish in recipients like tanks and cages.load equipmentload equipmentHandle safe loading of equipment in given restrictive conditions.clean aquaculture stock unitsclean aquaculture stock unitsClean and disinfect equipment and treatment systems, as well as holding units such as tanks.use water disinfection equipmentuse water disinfection equipmentOperate equipment for water disinfection, using different methods and techniques, such as mechanical filtration, depending on needs.maintain aquaculture water qualitymaintain aquaculture water qualityMaintain water quality in ponds, lagoons and sluices.monitor larval growthmonitor larval growthMonitor the growth and health of the larvae.stock fishstock fishPlace fish into holding units. Maintain adequate environmental conditions within the unit.carry out feeding operationscarry out feeding operationsCarry out manual feeding. Calibrate and operate automatic and computerised feeding systems. Monitor animal feeding behaviour.operate forkliftoperate forkliftOperate a forklift, a vehicle with a pronged device in front for lifting and carrying heavy loads.monitor fish health statusmonitor fish health statusMonitor the health of fish, based on feeding and general behaviour. Interpret environmental parameters and analyse mortalities.maintain aquaculture water quality in hatcheriesmaintain aquaculture water quality in hatcheriesMeasure flow of water in tanks and natural freshwater bodies. Measure parameters of water quality, such as pH, temperature, oxygen, salinity, CO2, N2, NO2, NH4, turbidity, and chlorophyll.operate biological filtrationoperate biological filtrationOperate biological filtration in aquaculture facilities.assist with vaccination proceduresassist with vaccination proceduresAssist skilled professional with immersions and injection vaccination procedures.measure the impact of specific aquaculture activitymeasure the impact of specific aquaculture activityIdentify and measure the biological, physico-chemical impacts of specific aquaculture farm activity on the environment. Carry out all necessary tests, including collection and processing of samples fo...identity aquaculture speciesidentity aquaculture speciesIdentity major European farmed fish, shellfish and crustacean species.perform fish grading operationsperform fish grading operationsGather live fish using techniques which minimise the stress caused to fish and avoid fish escapes occurring. Grade them manually or using equipment. Report on the grading operation, ensuring complianc...collect growth rate informationcollect growth rate informationCollect information on growth rate in farm aquatic species.operate fish capture equipmentoperate fish capture equipmentOperate fish capture equipment, for grading, sampling or harvesting purposes.work in shiftswork in shiftsWork in rotating shifts, where the goal is to keep a service or production line running around the clock and each day of the week.screen live fish deformitiesscreen live fish deformitiesExamine live fish, including larvae, to detect deformities related to body shape, jaw deformity, vertebral deformity and skeletal deformity. If not detected, these could lead to risks for fish, such a...carry out preparations for fish disease specialistcarry out preparations for fish disease specialistPrepare environment and equipment for fish disease specialist treatments, including vaccination treatments.prepare fish holding unitsprepare fish holding unitsClean the holding unit before receiving fish. Determine the water volume and flow rate. Prevent leaks. Conduct swim through.manure aquaculture pondsmanure aquaculture pondsManure aquaculture ponds.use aquaculture heavy equipmentuse aquaculture heavy equipmentPerform manual operations such as manually lift, transfer position and set down a load. Operate lifting gear such as winch, sea crane, telescopic loader, and forklift.transport fishtransport fishCapture, load, transport, unload and stock live and harvested fish, molluscs, crustaceans from farm to client. Maintain water quality during transport to reduce stress.collect fish samples for diagnosiscollect fish samples for diagnosisCollect fish and shellfish samples for diagnosis by fish diseases specialists.monitor water qualitymonitor water qualityMeasure water quality: temperature, oxygen, salinity, pH, N2, NO2,NH4, CO2, turbidity, chlorophyll. Monitor microbiological water quality.use oxygenation equipmentuse oxygenation equipmentOperate different water oxygenation systems according to requirements: surface aerators, paddle wheel aerators, column/cascade aerators, and pure oxygenation systems.carry out maintenance of aquaculture equipmentcarry out maintenance of aquaculture equipmentMaintain aquaculture equipment and identify equipment needs. Carry out routine maintenance and minor repairs as needed.maintain aquaculture containersmaintain aquaculture containersClean and disinfect equipment and treatment systems. Drain and clean aquaculture tanks and troughs using brushes, chemicals, and water. Prepare fish holding units to receive fish and change nets. Cond...follow safety precautions in fishery operationsfollow safety precautions in fishery operationsComply with policies and institutional regulations to guarantee a safe workplace for employees in fishery and aquaculture operations. Deal with potential risks and dangers by taking appropriate safety...collect biological datacollect biological dataCollect biological specimens, record and summarise biological data for use in technical studies, developing environmental management plans and biological products.collect broodstockcollect broodstockSource broodstock from fisheries and held them in maturation tanks before collecting their seeds.measure water flowmeasure water flowMeasure water flow, water intakes and catchments.rope manipulationrope manipulationRope manipulation which relates to knotting and splicing.unload equipmentunload equipmentHandle safe unloading of equipment in given restrictive conditions.
Optional (14) — show
operation of transport equipmentoperation of transport equipmentUse of transportation gear, such as car, forklift, truck, tractor, trailer, convoy.incidents and accidents recordingincidents and accidents recordingThe methods to report and record incidents and accidents in the workplace.monitor fish mortality ratesmonitor fish mortality ratesMonitor fish mortalities and assess possible causes.communicate verbal instructionscommunicate verbal instructionsCommunicate transparent instructions. Ensure that messages are understood and followed correctly.work in a fishery teamwork in a fishery teamWork as part of a crew or team, and meet team deadlines and responsibilities together.report harvested fish productionreport harvested fish productionObserve and report fish harvest and variations from expected harvest quota.extinguish firesextinguish firesChoose the adequate substances and methods to extinguish fires depending on their size, such as water and various chemical agents. Use a breathing apparatus.communicate in an outdoor settingcommunicate in an outdoor settingCommunicate with participants in more than one language of the European Union; handle a crisis following guidelines and recognise the importance of proper behaviour in crisis situations.maintain diving equipmentmaintain diving equipmentPerform maintenance actions, including small repairs, on diving equipment.report pollution incidentsreport pollution incidentsWhen an incident causes pollution, examine the extent of the damage and what the consequences could be and report it relevant institution following pollution reporting procedures.communicate by telephonecommunicate by telephoneLiaise via telephone by making and answering calls in a timely, professional and polite manner.report to the team leaderreport to the team leaderKeep the team leader informed on current and emerging issues.use communication devicesuse communication devicesOperate communication devices in order to interact with customers, colleagues, and others.work in outdoor conditionswork in outdoor conditionsCan cope with the different climate conditions such as heat, rain, cold or in strong wind.
Related Occupations
Occupations that need many of the same essential skills, so the move between them is shortest.
aquaculture harvesting worker13 shared essential skillswater-based aquaculture worker13 shared essential skillsaquaculture hatchery worker12 shared essential skillsaquaculture husbandry technician9 shared essential skillsaquaculture cage mooring worker8 shared essential skillsaquaculture harvesting technician8 shared essential skillsaquaculture cage technician7 shared essential skillsaquaculture hatchery technician7 shared essential skills
Frequently asked questions
What does an aquaculture husbandry worker do?
Aquaculture husbandry workers are active in the production of aquatic organisms in land-based on-growing processes. They assist in the process of raising organisms through all stages of their life cycle.
What skills does an aquaculture husbandry worker need?
An aquaculture husbandry worker needs 39 essential skills, including biosecurity, maintain aquaculture ponds, follow hygienic practices in fishery operations, collect dead fish, load equipment.
Will AI replace aquaculture husbandry worker jobs?
The AI disruption score for aquaculture husbandry worker is 31/100 (low risk). Skills most exposed to automation: incidents and accidents recording, monitor water quality, report harvested fish production. Most resilient: work in shifts, work in outdoor conditions, load equipment.
AI Replacement Risk
31/ 100
Low Risk
Low riskHigh risk
Quick Facts
ISCO GroupMarket-oriented skilled forestry, fishery and hunting workers
Essential Skills39
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