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ESCO occupation

aquaculture hatchery worker

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Aquaculture hatchery workers are active in the production of aquatic organisms in land-based hatchery processes. They assist in the process of raising organisms throughout the early stages of their life cycle and the release of organisms when necessary.

6221.5 ISCO 6221 ESCO source
Competences
43
Groups
4
Essential
26
Optional
17

Competences and skills

43 ESCO relations
Essential knowledge 1 competence

Occupation specific

0 competences

No competences in this bucket.

Sector-specific

0 competences

No competences in this bucket.

Cross-sector

1 competence
biosecurity

Be 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.

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Essential skills and competences 25 competences

Occupation specific

3 competences
clean off fouling

Clean off fouling in aquaculture facilities.

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monitor larval development

Observe appearance and actions of larvae in order to detect diseases; administer correct medication dose to food and water as instructed by supervisor.

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operate photoreactors

Operate photoreactors under supervision.

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Sector-specific

20 competences
carry out fish transportation

Can manually lift, transfer, position and set down a load, using lifting gears such as forklifts, winches, sea cranes and others. Can operate equipment used in the transportation of fish, shellfish, crustaceans and others, such as trucks, tractors, trailers, conveyers, etc.

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carry out hatchery production processes

Collect naturally spawned fish eggs, eliminate egg adhesiveness, incubate eggs until hatching, hatch and maintain newly born larvae, monitor larvae status, carry out early feeding and rearing techniques of the cultured species.

Scope note
Can hand strip marine flatfish, salmonids (if applicable). Can use green water incubation technology.
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collect broodstock

Source broodstock from fisheries and held them in maturation tanks before collecting their seeds.

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collect fish samples for diagnosis

Collect fish and shellfish samples for diagnosis by fish diseases specialists.

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condition broodstock

Incubate eggs until hatching. Assess quality of eggs. Inspect fish eggs. Remove dead, unviable, and off-colour eggs using a suction syringe. Produce eyed eggs. Hatch and maintain new-born larvae.

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cultivate plankton

Cultivate phytoplankton and microalgae. Cultivate live prey such as rotifers or Artemia with advanced techniques.

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culture aquaculture hatchery stocks

Use appropriate implements to collect shellfish spat. Sort wild shellfish spat. Collect naturally spawned fish eggs; eliminate egg adhesiveness and incubate eggs until hatched. Handle fish and shellfish broodstock and feed according to their needs.

Scope note
Can hand strip marine flatfish, salmonids (if applicable). Can use green water incubation technology.
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feed broodstock

Feed broodstock according to nutritional needs. This will initially include live prey such as rotifers and artemia.

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follow hygienic practices in fishery operations

Comply with the right regulations and practices for hygienically handling fishery related tasks and responsibilities in fishery operations.

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follow safety precautions in fishery operations

Comply 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 measures.

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identity aquaculture species

Identity major European farmed fish, shellfish and crustacean species.

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inspect fish eggs

Inspect fish eggs. Remove dead, unviable, and off-colour eggs using a suction syringe.

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maintain aquaculture water quality in hatcheries

Measure 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.

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maintain hatchery equipment

Make minor repairs to hatchery equipment as required.

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maintain hatchery facilities

Make minor repairs to hatchery facilities as required.

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monitor larval growth

Monitor the growth and health of the larvae.

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operate hatchery trays

Fill hatchery trays with fertilised eggs and place trays in incubation troughs.

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operate water-heating equipment

Operate water-heating equipment, such as electrical equipment, heat exchangers, heat pumps and solar heaters.

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perform fish grading operations

Gather 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 compliance with specifications.

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use water disinfection equipment

Operate equipment for water disinfection, using different methods and techniques, such as mechanical filtration, depending on needs.

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Cross-sector

2 competences
operate forklift

Operate a forklift, a vehicle with a pronged device in front for lifting and carrying heavy loads.

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work in shifts

Work in rotating shifts, where the goal is to keep a service or production line running around the clock and each day of the week.

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Optional knowledge 2 competences

Occupation specific

0 competences

No competences in this bucket.

Sector-specific

1 competence
sanitation measures for aquaculture hatchery production

Standards of sanitation and cleanliness essential to effective control of fungi and other parasites under intensive culture conditions.

ESCO source

Cross-sector

1 competence
diving operation requirements

The operational plan and the contingency plan for the diving operation, the diving equipment to be used in the diving operation, the diving signals to be used in the diving operation, the in-water decompression procedures to be used in the diving operation, and any emergency procedures that might have to be used in the diving operation.

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Optional skills and competences 15 competences

Occupation specific

1 competence
operate pumps in aquaculture facilities

Operate pumps in aquaculture facilities, such as air lift pumps, live fish pumps, vacuum pumps, submersible pumps.

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Sector-specific

5 competences
check diving equipment

Check diving equipment for valid certification to ensure its suitability. Ensure that any diving equipment is examined by a competent person before use, at least once on each day on which it is to be used. Ensure that it is adequately tested and repaired.

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report to the team leader

Keep the team leader informed on current and emerging issues.

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undertake continuous professional development in fishery operations

Initiate and progress in life long learning of the different challenging activities and operations which take place on board of a fishing vessel or in an aquaculture facility.

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use oxygenation equipment

Operate different water oxygenation systems according to requirements: surface aerators, paddle wheel aerators, column/cascade aerators, and pure oxygenation systems.

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work in a fishery team

Work as part of a crew or team, and meet team deadlines and responsibilities together.

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Cross-sector

9 competences
communicate by telephone

Liaise via telephone by making and answering calls in a timely, professional and polite manner.

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comply with legal requirements for diving operations

Ensure that diving operations comply with legal requirements, such as age, health and swimming abilities.

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critique the dive with the dive team

Assess the dive with the dive team upon completion. Instruct the diver(s) so as to improve procedures and routines for future dives.

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maintain diving equipment

Perform maintenance actions, including small repairs, on diving equipment.

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maintain internal communication systems

Maintain an effective internal communication system among employees and department managers.

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perform diving interventions

Perform hyperbaric interventions at a maximum pressure of 4 atmospheres. Prepare and review the personal equipment and the auxiliary material. Perform and supervise the dive. Realise maintenance of the diving equipment and auxiliary material. Apply security measures to ensure the divers' safety when realising deep immersions.

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use different communication channels

Make use of various types of communication channels such as verbal, handwritten, digital and telephonic communication with the purpose of constructing and sharing ideas or information.

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work in inclement conditions

Work outdoors in hot or cold circumstances.

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work in outdoor conditions

Can cope with the different climate conditions such as heat, rain, cold or in strong wind.

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