Peacock Grouper
Cephalopholis argus
Also called roi, blue-spotted grouper
A colorful grouper species with distinctive blue spots and peacock-like markings. Originally from the Indo-Pacific but established in Hawaiian waters.
Peacock Grouper at a glance
- Scientific name
- Cephalopholis argus
- Typical size
- 12-18 inches
- IGFA world record
- 13 lbs 7 oz
- Water
- Saltwater
- Habitat
- Reef
- Rarity in the Fishdex™
- Common
Habitat
Coral reefs of the Indo-Pacific. Beautifully spotted. Introduced to Hawaii.
Catch one and it is yours
Log a peacock grouper 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™ worksPeacock Grouper questions people ask
Peacock Grouper is Cephalopholis argus. Anglers also call it roi, blue-spotted grouper.
A typical peacock grouper runs 12-18 inches. The IGFA all tackle world record stands at 13 lbs 7 oz. Cobia records the length and weight of every peacock grouper you log and keeps your personal best on its Fishdex entry.
Coral reefs of the Indo-Pacific. Beautifully spotted. Introduced to Hawaii. It is a salt water species, filed under reef in the Fishdex.
The IGFA all tackle world record peacock grouper weighed 13 lbs 7 oz.
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.