The Bythograeidae are a small family of crabs which live around hydrothermal vents. The family contains 14 species in six genera. Their relationships to other crabs are unclear. They are believed to eat bacteria and other vent organisms.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0