CreatureData

Mouthless crab

Cardisoma crassum Smith, 1870

Status not recordedcrabs and lobsters

The mouthless crab (Cardisoma crassum) is a species in the family Cardisomatidae, order Decapoda.

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Quick facts about the mouthless 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 mouthless crab live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the mouthless crab as introduced in 1 country, and flagged as invasive in it.

  1. Ecuadorinvasive

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 mouthless 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 mouthless crab classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classMalacostraca
  4. orderDecapoda
  5. familyCardisomatidae
  6. genusCardisoma
  7. SpeciesCardisoma crassum Smith, 1870

Synonyms Cardiosoma crassum, Cardiosoma latimanus

Other names and names in other languages (7)
  • Mouthless land crabEnglish
  • Cangrejo CajoSpanish
  • Tombourou voyageurFrench
  • Granchio terricolo senzaboccaItalian
  • Cangrejo de tierraSpanish
  • Cangrejo moro sin bocaSpanish
  • Moro sin bocaSpanish

Catalogue of Life

Relatives of the mouthless crab

Other species in the same genus Cardisoma.

Patriot crab

Cardisoma armatum

CardisomatidaeNo free photo yet

CompareMouthless crab vs Blue land crabMouthless crab vs Chestnut crabMouthless crab vs Patriot crabMouthless crab vs Cardisoma planum

Common questions

Answered only where our data holds the answer.

Is the mouthless crab an invasive species?

In some places. The Global Register of Introduced and Invasive Species flags the mouthless crab as invasive in 1 country: Ecuador. It lists it as introduced in 1 in all.

What kind of animal is the mouthless crab?

The mouthless crab (Cardisoma crassum) belongs to the family Cardisomatidae in the order Decapoda.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Mouthless crab (Cardisoma crassum). Retrieved from https://creaturedata.com/animals/mouthless-crab

MLA

“Mouthless crab (Cardisoma crassum).” CreatureData, 2026, https://creaturedata.com/animals/mouthless-crab.

BibTeX
@misc{mouthless_crab_2026,
  title = {Mouthless crab (Cardisoma crassum)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/mouthless-crab},
  note = {Data as of 2026-11-14}
}