Norfolkia thomasiis commonly referred to as Thomas' triplefin, Thomas' Threefin. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
Norfolkia thomasi is a whitish trifinned blenny with yellow to orange scale margins, six irregular oblique dark brown bands along the upper side that divide on the underside, and an irregular white-edged brown bar below the eye.
Females have narrow, oblique red and white bands on the second and third dorsal fins, while males have brownish-orange dorsal fins.
The species lives in shallow coral reefs and tide pools and is the most widespread of all species.
The genus name "Norfolkia" refers to the finding of the blenny Norfolkia squamiceps around Norfolk Island, which is located in the Pacific Ocean in a triangle between eastern Australia, New Caledonia to the north and New Zealand to the south, but this island belongs to Australia.
Four species are known so far under the genus "Norfolkia":
Norfolkia brachylepis (Schultz, 1960)
Norfolkia squamiceps (McCulloch & Waite, 1916)
Norfolkia thomasi Whitley, 1964
Norfolkia leeuwin Fricke, 1994