Profession water-based aquaculture technician

Water-based aquaculture technicians coordinate and supervise activities on fattening aquaculture organisms in suspended systems (floating or submerged structures). They participate in extraction operations and handling organisms for commercialisation. Water-based aquaculture technicians supervise maintenance of equipment and facilities (cages, rafts, longlines, bouchot).

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Personality Type

  • Enterprising / Realistic
  • Realistic / Investigative

Knowledge

  • Fish grading

    The method of how fish are graded according to their different characteristics: specification, size, quality and condition.

  • Computerised feeding systems

    The functioning of computered controlled systems that provide animal feeding.

  • Rates of growth assessment

    The different methods used to evaluate the growth of most important cultivated species.

  • Aquaculture production planning software

    The functioning principles and usage of a software dedicated to the planning of aquculture production.

  • Animal welfare legislation

    The legal boundaries, codes of professional conduct, national and EU regulatory frameworks and legal procedures of working with animals and living organisms, ensuring their welfare and health.

Skills

  • Apply fish treatments

    Apply prescribed fish treatments under supervision, including assistance with vaccination immersion and injection procedures.

  • Control aquatic production environment

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

  • Carry out preparations for fish disease specialist

    Prepare environment and equipment for fish disease specialist treatments, including vaccination treatments.

  • Calculate aquatic resources growth rate

    Calculate and forecast growth rates. Monitor and assess growth and biomass taking mortality into account, based on the different methods of growth assessment.

  • Operate small craft

    Operate small craft used for transport and feeding.

  • Observe abnormal fish behaviour

    Observe, describe and monitor abnormal fish behaviour in respect of feeding, swimming, surfacing.

  • Organise shellfish depuration

    Plan and organise shellfish depuration. Monitor shellfish depuration. Monitor depuration water quality.

  • Monitor feeding behaviour

    Monitor feeding behaviour of farm animals. Collect information on the growth of the animals, and forecast future growth. Monitor and assess biomass taking mortality into account.

  • Observe fish disease symptoms

    Observe and describe fish disease symptoms such as lesions.

  • Prepare for small craft operation

    Prepare for personnel operation of small craft, both with licence and without licence.

  • Monitor growth rates of cultivated fish species

    Monitor and assess growth rates and biomass of cultivated fish species, taking mortalities into account. Calculate and forecast growth rates. Monitor and assess mortalities.

  • Assess cage water quality

    Carry out daily assessment of water quality parameters inside the cages such as temperature, oxygen, salinity, pH, N2, NO2,NH4, CO2, turbidity, chlorophyll. Monitor microbiological water quality.

  • Check animal feeding behaviour

    Check animal feeding behaviour.

  • Conform to health and safety regulations

    Carry out all work in accordance with relevant environmental and health and safety legislation, risk assessment requirements and company policies. Take the necessary health and safety precautions during work including posture the body well, safely operate tools and machinery, and wear the right clothes and protection for the climate.

  • Carry out maintenance of aquaculture equipment

    Maintain aquaculture equipment and identify equipment needs. Carry out routine maintenance and minor repairs as needed.

  • Swim

    Move through water by means of the limbs.

  • Preserve fish samples for diagnosis

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

  • Carry out feeding operations

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

  • 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.

Optional knowledge and skills

communicate in english at a competent user level report to the team leader incidents and accidents recording use different communication channels communicate in an outdoor setting work in inclement conditions manage time in fishery operations screen live fish deformities use a computer maintain diving equipment communicate verbal instructions report live online fish anatomy maintain incident reporting records write work-related reports work in outdoor conditions report pollution incidents ensure aquaculture personnel health and safety develop aquaculture strategies use communication devices