Pseudorhabdosynochus jeanloui is a diplectanid monogenean parasitic on the gills of the Pacific creolefish, Paranthias colonus (Perciformes, Serranidae).

[1] Pseudorhabdosynochus jeanloui is a small monogenean, 0.6-0.0 mm in length.

[2] The vagina includes a sclerotized part, which is a complex structure.

The authors of the species wrote that Pseudorhabdosynochus jeanloui was named after French parasitologist Jean-Lou Justine.

[1] The type-host of P. jeanloui is the Pacific creolefish, Paranthias colonus (Perciformes, Serranidae).