Calcinus elegans

Scientific name Calcinus elegans
Descriptor Milne-Edwards
Year of description 1836
IUCN category NE
Family Diogenidae
Genus calcinus
Calcinus elegans Calcinus elegans


Calcinus elegans is a little salt water crustacea.

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Who is it?


  • Average size
    3 cm
  • Maximum size
    4 cm
  • Pattern
    horizontal stripes
  • Average size
    3 cm
  • Maximum size
    4 cm
  • Pattern
    horizontal stripes

How to recognize Calcinus elegans ?

Calcinus elegans measures between 3 and 4 cm. Given its small size, this species is commonly referred to as a "dwarf" animal. this crustacea is multicolore with a predominantly bleu, noir and blanc body. The also has noir horizontal stripes.

Behaviour & Life cycle

  • Sociability
  • territorial
  • Venomous
  • Way of living

Like all crustaceans, Calcinus elegans molts whenever it becomes cramped in its shell. Before the hardening of its new body, it is more vulnerable and spends a good part of its time hidden. This mechanism, very complex, allows the periodic renewal of the exoskeleton and part of the internal skeleton. It is also during the moult that the females become fertile.

Calcinus elegans is a crustacea solitary. This species is scavenger . Measuring only a few centimeters, this small species tends to be discreet and hide in the presence of larger neighbors.

Although Calcinus elegans is non-territorial, it is sometimes aggressive towards other species.


  • Reproduction

Calcinus elegans is a crustacea ovipare.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

What is its habitat?

Natural environment characteristics

  • Depth
    0 - 10 m

Biotope presentation

Calcinus elegans is most often found at a depth between 0m and 10m. However, it is not impossible to find this species at other depths.

This species lives in decaying vegetation (branches, leaves) in low current areas.

Species of the same biotope

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Species of the same family

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Sources & Contributions

Participation & Validation

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Aurélien Calas

Aurélien Calas


Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

Bibliographic references

Guide Des Crustacés Décapodes Du Pacifique Sud - J. Poupin - M. Juncker - CRISP - 2010.

Les pagures du genre Calcinus en Polynésie française avec la description de trois nouvelles espèces (Decapoda, Anomura, Diogenidae) - J. Poupin - ZOOSYSTEMA - 1997.

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Species of the same family

Species of the same biotope

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