Raw counts of individual meiofauna higher taxa (Nematoda, Copepoda, Polychaeta, Tardigrada, Tanaidacea, Kinorhyncha, Nauplii, Ostracoda, Halacaroidea, Foraminifera, Other (unidentified biological material)), retrieved from the crevices of poly-metallic nodules from box cores taken during SONNE cruises SO268/1 and SO268/2. Nodule IDs and respective dimensions, correspond to those from https://doi.org/10.1594/PANGAEA.904962. In each sample code, F stands for Formaldehyde (8 % buffered) and E stands for Ethanol (molecular grade), pertaining to the fixation method.