CreatureData

Flat crab

Percnon gibbesi (H. Milne Edwards, 1853)

Status not recordedcrabs and lobsters

The flat crab (Percnon gibbesi) is a species in the family Percnidae, order Decapoda.

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Quick facts about the flat crab

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the flat crab live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the flat crab as introduced in 13 countries, and flagged as invasive in 7 of them.

  1. Croatiainvasive
  2. Franceinvasive
  3. Greeceinvasive
  4. Italyinvasive
  5. Libyainvasive
  6. Maltainvasive
  7. Tunisiainvasive
  8. Albania
  9. Cyprus
  10. Lebanon
  11. Portugal
  12. Spain
  13. Türkiye

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the flat crab endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the flat crab classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classMalacostraca
  4. orderDecapoda
  5. familyPercnidae
  6. genusPercnon
  7. SpeciesPercnon gibbesi (H. Milne Edwards, 1853)

Synonyms Acanthopus gibbesi, Lonchophorus anceps, Plagusia delaunayi, Zoea boscii

Other names and names in other languages (19)
  • Nimble spray crabEnglish
  • Sally Lightfooth crabEnglish
  • Sea urchin crabEnglish
  • Spray crabEnglish
  • Urchin crabEnglish
  • Cranc AranyaCatalan
  • krab GibbesůvCzech
  • FelsenkrabbeGerman
  • ΒραχοκάβουραςGreek
  • Cangrejo erizoSpanish
  • Sally-pied-légerFrench
  • granchio corridore atlanticoItalian
  • Gibbesi krabDutch
  • Caranguejo-achatadoPortuguese
  • Краб искристоногийRussian
  • Algenfressende KrabbeGerman
  • Cangrejo EspraySpanish
  • Crabe plat des oursinsFrench
  • Gestreepte rotskrabDutch

Catalogue of Life

Relatives of the flat crab

Other species in the same genus Percnon.

CompareFlat crab vs Flat rock crabFlat crab vs Green flat rock crabFlat crab vs Blue-eyed rock crabFlat crab vs Red-eyed flat crab

Common questions

Answered only where our data holds the answer.

Is the flat crab an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the flat crab as invasive in 7 countries, including Croatia, France, Greece, Italy and Libya. It lists it as introduced in 13 in all.

What kind of animal is the flat crab?

The flat crab (Percnon gibbesi) belongs to the family Percnidae in the order Decapoda.

Sources and how to cite this page

Data as of 2026-11-13. How this page is put together.

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APA

CreatureData. (2026). Flat crab (Percnon gibbesi). Retrieved from https://creaturedata.com/animals/flat-crab

MLA

“Flat crab (Percnon gibbesi).” CreatureData, 2026, https://creaturedata.com/animals/flat-crab.

BibTeX
@misc{flat_crab_2026,
  title = {Flat crab (Percnon gibbesi)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/flat-crab},
  note = {Data as of 2026-11-13}
}