Subfamily Cyclopterinae Bonaparte, 1831
Cyclopterinae Bonaparte, 1831: 96 (type genus: Cyclopterus Linnaeus, 1758).
Diagnosis. Head and body with many tubercles; generally high body having developed dorsal crest; supraoccipital crest present; first dorsal fin covered with very thick skin; first dorsal proximal pterygiophore lacking spines; ventral end of gill slit reaching level with base of lowermost pectoral fin ray.
Remarks. The subfamily includes only one genus, Cyclopterus .