Ichthyoplankton Surveys using Bongo Nets

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Plankton nets, each 57 cm in diameter and 3 metres in length are used to capture pelagic fish larvae. Ichthyoplankton survey methods and field gear are described in the following reports:

  1. Larval eulachon surveys in BC's central coastal inlets: CSAS 1999/177
  2. Ocean and river, ichthyoplankton sampling manual: Tech. Report #2451
  3. British Columbia larval herring surveys and stock structure: 1985-1997

Click larval fish photos below...

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The relative position of the yolk-sac distinguishes a herring larva (top) from an eulachon larva (bottom).

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