Aquaculture Rearing Technician Market-oriented Skilled Forestry & Fishery Workers

The study of fish, shellfish or crustacean organisms, categorized into many specialised fields that cover their morphology, physiology, anatomy, behaviour, origins and distribution.

The techniques used to induce spawning, spawning on nests, stripping using appropriate techniques for specific species of fish, molluscs, crustaceans and others. The environmental control of spawning, the use of …

Recommended Books

2 books

Reproduction in Aquatic Animals

Manabu Yoshida, Juan F. …

2020

Preview

Breeding and Genetics in Aquaculture

Abhijit Godse

2026

Preview

The processes which allow the identification and classification of fish.

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.

The methods, characteristics and equipment used to cultivate phytoplankton, microalgae and live prey such as rotifers or Artemia with advanced techniques.

Carry out disease prevention measures for fish, molluscs, and crustaceans for land-based and water-based aquaculture facilities.

Assess the impact of biological conditions such as algae and fouling organisms by managing water intakes, catchments and oxygen use.

Make sure that health and safety procedures have been established and followed across all aquaculture facilities including cages. Ensure that personnel and general public are instructed and all work activities …

Monitor fish mortalities and assess possible causes.

Measure water quality: temperature, oxygen, salinity, pH, N2, NO2,NH4, CO2, turbidity, chlorophyll. Monitor microbiological water quality.

Collect and preserve larval, fish and mollusc samples or lesions for diagnosis by fish disease specialists.

Screen for deformities in live fish including larvae

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

Compose work-related reports that support effective relationship management and a high standard of documentation and record keeping. Write and present results and conclusions in a clear and intelligible way so …

Monitor feeding behaviour in order to decide on suitability of feed composition, weaning larvae from live prey to dry feed or pellets.

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 …

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.

Identify the symptoms of fish diseases. Apply appropriate measures to treat or eliminate diagnosed conditions.

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

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 …

Ensure that operations comply with standards for sustainable aquaculture.

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

Carry out actions to raise species, such as gradually shift the nutrition of babies from live prey to dry substances.

Induce spawning using appropriate techniques for specific cultured species of fish, molluscs, crustaceans or others. Determine sexual maturity of broodstock, using appropriate techniques as indicated for cultured species of fish, …

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.

Make minor repairs to hatchery equipment as required.

Make minor repairs to hatchery facilities as required.

Carefully maintain hatchery production records and inventory. Maintain accurate hatchery records including the preparation of health documents for the transport of juveniles.

Maintain the production of juveniles at the nursery stage using advanced high density production techniques

Plan and conduct wild broodstock capture and quarantine wild broodstock if necessary. Monitor the collection of larvae or juveniles from environment. Control the use of appropriate techniques for the specific …

Monitor the health of fish, based on feeding and general behaviour. Interpret environmental parameters and analyse mortalities.

Monitor and maintain hatchery production, monitoring stocks and movements.

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

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

Competent use of English; R351refers to level C1 in the Common European Framework of Reference for Languages (CEFR).

Manage employees and subordinates, working in a team or individually, to maximise their performance and contribution. Schedule their work and activities, give instructions, motivate and direct the workers to meet …

Plan the work of teams and individuals. Assess the work of teams and individuals. Provide feedback to teams and individuals on work carried out. Support and mentor individuals and teams. …

Provide on-site training in aquaculture facilities, through instruction and demonstration of skills. Provide, implement and supervise a training development plan.

Search for improvements and present innovative solutions, creativity and alternative thinking to develop new technologies, methods or ideas for and answers to work-related problems.

Operate communication devices in order to interact with customers, colleagues, and others.

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.

Carry out manual feeding. Calibrate and operate automatic and computerised feeding systems.

Develop and compile training items and resources according to didactical methods and training needs and using specific types of media.

Efficiently operate a hatchery recirculation system for specified aquatic organisms

Encourage team members and build a relationship of mutual trust, respect and cooperation.

Oversee the activities of the employees working in shifts in order to ensure continuous operations.