Cystidicola

Cystidicola is a genus of parasitic nematodes, belonging to the family Cystidicolidae. Species of Cystidicola are parasitic in the swimbladder of fish.

Species

According to the World [Register of Marine Species], the genus currently includes only the following species:

Cystidicola farionis Fischer, 1798.

The eggs of Cystidicola farionis are covered with numerous filaments.
Other species have been included in the genus but are now considered to be part of other genera:

Cystidicola marina Szidat, 1961
Cystidicola salmonicola Ishii, 1916
Cystidicola skrjabini Layman, 1933
Cystidicola walkeri Ekbaum, 1935