Barred Knifejaw
Oplegnathus fasciatus
The Barred Knifejaw is a distinctive reef fish with prominent black vertical bars across its silvery body and powerful beak-like jaws. This species is highly prized in Japanese cuisine and sport fishing.
Barred Knifejaw at a glance
- Scientific name
- Oplegnathus fasciatus
- Typical size
- 12-24 inches, 2-8 lbs
- Water
- Saltwater
- Habitat
- Reef
- Rarity in the Fishdex™
- Rare
Habitat
Found around rocky reefs, jetties, and coastal structures in temperate waters of the Western Pacific. Anglers typically target them using bottom rigs with shellfish baits near rocky areas and artificial reefs.
Catch one and it is yours
Log a barred knifejaw through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.
How the Fishdex™ worksBarred Knifejaw questions people ask
Barred Knifejaw is Oplegnathus fasciatus.
A typical barred knifejaw runs 12-24 inches, 2-8 lbs. Cobia records the length and weight of every barred knifejaw you log and keeps your personal best on its Fishdex entry.
Found around rocky reefs, jetties, and coastal structures in temperate waters of the Western Pacific. Anglers typically target them using bottom rigs with shellfish baits near rocky areas and artificial reefs. It is a salt water species, filed under reef in the Fishdex.
Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.
Tomorrow morning starts tonight
Set your home water, pick a drive radius, and wake up to a plan.
Android coming soon
iPhone, iOS 17 or later. Setup takes about a minute.