English community guide
Flat Rock Crab
Flat Rock Crab in Petit Planet: habitat, time, weather and recorded one-, two- and three-star selling prices. Checked against the community wiki.
At a glance
Flat as a rock, tough as one too.
Where and when to find it
- Habitat
- Intertidal Zone
- Distribution
- All Regions
- Time
- Daytime
- Weather
- Any Weather
- Season
- Year-Round
- Type
- Crab
- Minimum size
- 5.2
- Maximum size
- 9.2
Selling prices
- ★ catch
- 60 Dough
- ★★ catch
- 66 Dough
- ★★★ catch
- 78 Dough
Catalog sorting uses the one-star price. A blank source value is shown as not recorded, rather than estimated.
Omnipedia
- Scientific name
- Percnon planissimum
- Region
- Intertidal Zone
The flat rock crab got its name for its flat appearance. Some scholars believe it evolved smooth claws to better scrape algae off reefs. As the crab matures and grows in strength, these smooth claws become deadly weapons for hunting small fish and invertebrates.
Keep exploring
Browse shore-dwellers · Find cooking recipes · Your creature collection
Sources & version
Adapted from The Petit Planet Wiki under CC BY-NC-SA 4.0.
Checked 2026-10-20. Source revision 35198 (2026-10-19). These are beta records; values can change. Unrecorded values remain unknown.