Harlequin Spotted Grunt Sweetlips (Plectorhinchus chaetodonoides)
Reef Compatible: No
Care Level: Expert-Only
Disposition: Semi-aggressive
Min. Tank Size: 125 gallons
Mature Size: 28 inches
Specifications
| Feature | Detail |
|---|---|
| Species | Plectorhinchus chaetodonoides |
| Size (Adult) | 5″ to 6″ |
| Size (Mature) | 28 inches |
| Compatibility | Not reef compatible |
| Behavior | Semi-aggressive |
| Recommended Tank Size | Minimum 125 gallons |
FAQ
Is the Harlequin Spotted Grunt Sweetlips suitable for beginners?
No, this species requires expert-level care and is not recommended for beginners.
Can this fish be kept with other reef fish?
No, it is not reef compatible and should not be kept with coral or other reef-dwelling species.
What is the expected adult size of this fish?
The mature size reaches up to 28 inches, though it grows to 5″ to 6″ in size when young.

Frank Pullman –
This fish is a striking addition to a large marine tank. It’s active and colorful, though it does require a spacious setup. I’ve had it for six months and it’s still healthy and showing good color. Only recommend for experienced aquarists with a 125+ gallon tank.
Dan Allan –
The Harlequin Spotted Grunt is visually impressive. It’s semi-aggressive and needs plenty of space. I keep it with larger, non-reef fish and it’s not causing any issues. A good choice for a well-maintained expert tank.
Jasmine Simpson –
It’s a bold-looking fish, but I noticed it’s not compatible with smaller tank mates. I had to remove a few species after a few weeks. Still, it’s a unique and interesting addition to a large system.