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Overview
Aquaculture recirculation technician work is about running land-based systems that reuse water while controlling fish or other aquatic production through pumps, aeration, heating, lighting, biofilters and backup power.
In job descriptions, look for recirculation systems, water chemistry, fish welfare, biosecurity, feeding regimes, disease prevention, risk assessment, water-quality data and time-critical decisions.
Explore this occupation
Open in Job ExplorerWhat the work can involve
Recirculation aquaculture work is hands-on system operation as much as animal production. The technician watches water flow, oxygen, temperature, biofilters, pumps, lighting and backup power while keeping fish welfare and production rhythm stable.
Skills and specializations
Useful depth combines fish biology, water chemistry, biosecurity, risk assessment and maintenance of recirculation systems. Specialization can move toward water-quality data, disease prevention, feeding regimes, broodstock or training staff on site routines.
Salary context
Pay is best understood through system scale, emergency responsibility, shift coverage, water-quality decisions and whether the role includes team leading or on-site training. Facilities with complex biofilters and backup systems may set different expectations from simpler production work.
Career paths
Career paths may lead from daily monitoring to senior technician, hatchery or grow-out coordination, site operations, health-and-welfare support or troubleshooting roles focused on pumps, sensors and water treatment.
Good to know
Check whether vacancies name the species, recirculation equipment, monitoring schedule, treatment duties and response procedures. The clearest roles explain who decides when water parameters or fish behaviour look wrong.
Editorial note
This guide is editorial career context, not official labour-market statistics or role-specific pay data.
Map overview
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O*NET relationships
See occupations connected to this ESCO occupation in the official O*NET–ESCO mapping. The relationship type comes from the source and is not a ranking or recommendation.
O*NET relationships: 1
Agricultural Technicians
19-4012.00
O*NET occupation is broader
The O*NET occupation covers a broader field of work than this ESCO occupation.
Open in O*NETSource and method
These relationships come from the official European Commission O*NET–ESCO crosswalk.
Relationship direction: O*NET occupation to ESCO occupation.
Several O*NET occupations can point to the same ESCO occupation, and one O*NET occupation can point to several ESCO occupations.
AltoTrail preserves the source relationship type. The order is technical and does not show which occupation is best, most relevant or recommended.
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Alternative labels
Occupation group
Aquaculture workers (6221)
Source facts
| ESCO URI | http://data.europa.eu/esco/occupation/eaba592d-f3f0-4c7d-b7c0-302b7d0212ce |
|---|---|
| ESCO code | 6221.10 |
| ISCO group | 6221 |
| Concept type | Occupation |