Fin's Fish Guide
The Threadsail filefish (Stephanolepis cirrhifer) is a saltwater fish of the family Monacanthidae that grows up to 30 cm.
Description
The threadsail filefish is a filefish (Monacanthidae) from the northwestern Pacific, around Japan, Korea and China. The species reaches about 30 cm and has a deep, compressed, brown mottled body and a rough skin; the first dorsal spine can be raised like a thread. Juveniles shelter among drifting seaweed. As an omnivore it feeds on small invertebrates and algae. In Japan the species, known as 'kawahagi', is commercially cultured and highly prized, including for sashimi. Through its fine taste it has a high culinary value.
Frequently asked questions
How do you recognise the Threadsail filefish?
The Threadsail filefish has a flattened, disc-shaped body, is mainly brown and shows a marbled pattern. Juveniles shelter among drifting seaweed; commercially farmed in Japan and sought after as 'kawahagi'.
Where does the Threadsail filefish live?
The Threadsail filefish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northwest Pacific, around Japan, Korea and China.
How big does the Threadsail filefish get?
The Threadsail filefish grows to a maximum of about 30 cm. On average the species is around 18 cm.
Is the Threadsail filefish dangerous to humans?
No, the Threadsail filefish is harmless to humans. None required: this species is harmless to humans.
Is the Threadsail filefish edible?
Yes, the Threadsail filefish is commonly eaten.
More photos
Want the complete picture on the Threadsail filefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Threadsail filefish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Stephanolepis
More from the family Monacanthidae
Want the complete picture on the Threadsail filefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Threadsail filefish is one of 12,519 species in the app.