CalCOFI Hydrographic Data Report contains a table of the macrozooplankton biomass, as wet displacement volume, after removal of large (>5 ml) organisms from the starboard side of a 71 cm mouth diameter paired net (bongo net) equipped with 0.505mm plankton mesh; towed obliquely from 210 meters to the surface.

These data are available as: pdf; Microsoft Access relational database table in CalCOFI's Hydrographic Database; comma-delimited ascii file (csv).