Ripistes is a monotypic genus of annelids belonging to the family Naididae.

[1] Its sole species, Ripistes parasita, is found in Eurasia and Northern America.

These observations encompass its presence on both barren, rocky substrates and amid macrophyte vegetation.

Furthermore, they have been observed in diverse flow rates, ranging from calm conditions to speeds of up to 50 cm/s (Simpson and Abele 1984; Montz 1988).

[2] This article incorporates public domain material from websites or documents of the National Oceanic and Atmospheric Administration.