- Like some other fish, the common toadfish is able to vary the amount of pigment in its cornea, which becomes yellow in colour under bright light.
- The smooth toadfish can be distinguished from the otherwise similar common toadfish by its lack of spines and its larger-and bolder-patterned markings on its upperparts.
- French naturalist Christophe-Paulin de La Poix de Fr閙inville described the species in 1813, though early records confused it with its close relative, the common toadfish ( " T . hamiltonii " ).
- Recognising that the smooth and common toadfish were distinct enough from other species to warrant their own genus and that no valid genus name existed, Hardy reassigned the two species to the new genus " Tetractenos " in 1983.
- The "'common toadfish "'or "'common toado "'or "'toadfish "'or "'toado "'or " Torquigener hamiltoni " ) is a species of fish in the family Tetraodontidae of order Tetraodontiformes, found along Australia's eastern coast, from northern Queensland to Flinders Island, and around Lord Howe Island, as well as in New Zealand waters.