Cycloclasticus[1] Galenea[1] Hydrogenovibrio[1] Methylophaga[1] Piscirickettsia[1] Sulfurivirga[1] Thiomicrorhabdus[1] Thiomicrospira[1] Thiosulfatimonas[1] Thiosulfativibrio[1] The Piscirickettsiaceae are a family of Pseudomonadota.

All species are aerobes found in water.

[2] The species Piscirickettsia salmonis is a fish pathogen and causes piscirickettsiosis in salmonid fishes.

[3] It lives in cells of infected hosts and cannot be cultured on artificial media.

[2] Piscirickettsia salmonis is nonmotile, whereas the other five genera are motile by using a single flagellum.