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Overview
Aquaculture rearing technicians work in hatchery and nursery production for aquatic organisms, with a focus on rearing, weaning and producing juveniles for further grow-out.
In job descriptions, look for broodstock care, larval feeding, water quality, hatchery records, juvenile production, fish health, biosecurity, plankton culture and hatchery equipment.
Explore this occupation
Open in Job ExplorerWork context
Aquaculture rearing technicians work close to tanks, hatchery systems and nursery stock. The work follows feeding, weaning, water quality, mortality checks and juvenile growth through daily records.
Skills and specialization
Useful depth includes fish biology, aquaculture reproduction, larval feeding, plankton culture, biosecurity, water disinfection, oxygenation equipment and hatchery maintenance. Keep the hatchery, nursery stock and juvenile survival in view.
Salary context
Salary context depends on hatchery scale, species, shift patterns, responsibility for live stock, water-quality control, disease prevention and staff supervision.
Career paths
Development can move toward hatchery coordination, broodstock management, fish health support, recirculation-system operation, production planning or aquaculture team leadership. Keep juvenile survival visible.
Good to know
Check species, life stage, tanks or recirculation systems, health checks, feeding routines, records and emergency duties. A precise advert names hatchery or nursery work.
Editorial note
This guide is editorial career context. It is not official labour-market statistics or role-specific salary 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.
AltoTrail validates and presents the source relationships without adding ranking or recommendation semantics.
Alternative labels
Occupation group
Aquaculture workers (6221)
Source facts
| ESCO URI | http://data.europa.eu/esco/occupation/802d3a2f-b966-42e3-94df-683adfcff20c |
|---|---|
| ESCO code | 6221.9 |
| ISCO group | 6221 |
| Concept type | Occupation |