Geosesarma hagen

Latin Name:

Geosesarma hagen

Trade Names:

Red devil, Devil, Red vampir

Discoverer:

Ng, Schubart & Lukhaup, 2015

Scientifically Described:

Yes

Availability in Trade:

Very popular (02.2025)

Distribution:

North of the city of Cilacap – Cilacap, Central Java, Indonesia

Source of graphic: own elaboration based on Google Maps

Habitat:

Tropical rainforest floor. Highland species. Close to water streams. Also found in dense forest away from water.

Source of photo: New species of “vampire crabs” (Geosesarma De Man, 1892) from central Java, Indonesia, and the identity of Sesarma (Geosesarma) nodulifera De Man, 1892 (Crustacea, Brachyura, Thoracotremata, Sesarmidae) Peter K. L. Ng, Christoph D. Schubart & Christian Lukhaup

Additional Information:

Prefers a terrestrial lifestyle, can endure slight dryness. Likes to burrow.

Reproduction:

Females release juvenile crabs after birth.

Appearance:

Various colors confirmed genetically to be color morphs of the same species.

1. Carapace – Two-color division: brown/black and red/orange
   Legs – Dark brown/black
   Claws – Red/orange
   Eyes – Yellow, off-white yellow
   Underside – Brown/black

2. Carapace – Red/orange
   Legs – Dark brown/black
   Claws – Red/orange
   Eyes – Yellow, off-white yellow

3. Carapace – Mottled pattern: red/orange/brown
   Legs – Mottled pattern: brown/cream
   Claws – Red/orange
   Eyes – Yellow, off-white yellow
   Underside – Brown/black

Male:

Female:

Juvenile:

Source of photo: inaturalist.org

Source of photo: New species of “vampire crabs” (Geosesarma De Man, 1892) from central Java, Indonesia, and the identity of Sesarma (Geosesarma) nodulifera De Man, 1892 (Crustacea, Brachyura, Thoracotremata, Sesarmidae) Peter K. L. Ng, Christoph D. Schubart & Christian Lukhaup

Source of photo: Indonesia land crab

Source of photo: Morphological and molecular tracing of two ornamental vampire crabs (Decapoda: Sesarmidae) from Central Java