Microbial fluid cell count data collected on Falkor (too), cruise Fkt231202 with ROV fluid sampler in the Central Eastern Pacific offshore Costa Rica in Dec 2023

These data are microscopic cell counts of microbes in venting fluids and background seawater samples collected during Octopus Odyssey (too) expedition on Falkor (too), cruise Fkt231202, in the Central Eastern Pacific from December 4th to December 12th, 2023. Instrument used to collect the sampler was a SUPR (Suspended Underwater Particulate Rosette) sampler modified for ROV SuBastian. Cells were visualized using SYBR staining. Samples were collected by Julie Huber.