8613 Aquaculture and marine harvest labourers

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Lead statement

This unit group includes aquaculture support workers, marine plant gatherers, shellfish diggers and other labourers in aquaculture and fishing. Aquaculture support workers are employed by public or private fish hatcheries and commercial aquatic farms. Marine plant gatherers and mollusk harvesters may be self-employed.

Example Titles

  • clam digger
  • shellfish harvester
  • oyster picker
  • aquaculture support worker
  • fish farm helper
  • dulse gatherer
  • fry marker
  • marine plant gatherer
  • sea farm attendant
  • seaweed gatherer
  • fish tagger

Main duties

Aquaculture support workers perform some or all of the following duties:

  • Assist aquaculture technicians in the operation of fish hatcheries or other aquatic farms
  • Feed aquaculture stocks, vaccinate stocks, perform culling and marking or banding techniques and report any observed irregularities in stocks
  • Operate, maintain and clean pumps, filters, tanks and other aquaculture equipment and clean and maintain aquaculture enclosures
  • Keep daily records of water flow and fish, shellfish and marine plant samples
  • Grade and weigh aquaculture stocks
  • Prepare aquaculture stocks for market
  • May operate boats for aquaculture operations.

Marine plant gatherers perform some or all of the following duties:

  • Rake seaweed, dulse or Irish moss from beach, rocks or shallow water and load into a cart, wagon or other receptacles
  • Spread gatherings to dry and remove foreign objects
  • Transport gatherings to processing plant.

Mollusk harvesters perform some or all of the following duties:

  • Dig clams from beds with spades, forks or other instruments, or collect other mollusks
  • Clean, sort and transport mollusks to market.

Employment requirements

  • Some secondary school education is usually required.
  • Shellfish harvesters require commercial fishing licences.
  • Marine Emergency Duties certificate may be required for some occupations in this unit group.


  • Fishermen/women (82628262)
  • Fishing vessel deckhands (84418441)
  • Managers in aquaculture (08230823)