Geosesarma tiomanicum

Geosesarma tiomanicum:

Geosesarma tiomanicum Ng 1986 is a species of freshwater terrestrial crab from Palau Tioman, Pahang, Peninsular Malaysia (WoRMS, 2022; Ng, 1986). G. tiomanicum was described by Ng (1986) in Preliminary Descriptions of 17 New Freshwater Crabs of the Genera Geosesarma, Parathelphusa, Johora, Stoliczia (Crustacea, Decapoda, Brachyura) From South East Asia.

Geosesarma tiomanicum is described visually with a carapace that is wholly a pastel pink-orange color with matching ambulatory legs, orange eyes, and mixed tones light purple chelae. Contrasting the carapace, the ventral pereon surface and the mandibular region is a vibrant dark purple.

Size of Geosesarma tiomanicum:

The male holotype’s carapace measured 10.7 by 10.2mm, so mostly squarish albeit slightly wider than long (Ng, 1986).

Geosesarma tiomanicum, Courtesy of Heath Gariss- AB @ Me and my Ts

Geosesarma tiomanicum crablet nymph, Courtesy of Connor Smotzer

A young Geosesarma tiomanicum readily eating a mealworm in a planted vivarium outside its burrow,

Courtesy of Connor Smotzer

Freshly molted, teneral, G. tiomanicum nymph being raised in a 5oz delicup,

Courtesy of Connor Smotzer (2022)

This is a teneral Geosesarama tiomanicum that is being raised in a 5oz delicup to prevent it from being eaten or having its legs ripped off by its older siblings

You can use the navigation bar drop down menu on the side of the screen to navigate to the other species or you can naviagte from here to more species you are intrested in below:

Geosesarma Genus Page

Gesesarma bicolor

Geosesarma dennerle

Geosesarma hagen

Geosesarma notophorum

Geosesarma pontianak

Geosesarma rouxi

References:

WoRMS (2022). Geosesarma tiomanicum Ng, 1986. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=444565 on 2022-12-04
Ng, P, K, L. (1986). Preliminary Descriptions of 17 New Freshwater Crabs of the Genera Geosesarma, Parathelphusa, Johora, Stoliczia (Crustacea, Decapoda, Brachyura) From South East Asia. Journal of the Singapore National Academy of Science. 15(1), 36–44.
Gariss, H. (2022). Geosesarma tiomanicum. Photograph 1-2. Access Granted solely to TGD.
Smotzer, C. (2022). Geosesarma tiomanicum. Photograph 3-4. Access Granted solely to TGD.
Smotzer, C. (2022). Freshly molted teneral G. tiomanicum very young nymph being raised in a 5oz delicup. Photograph 5-6. Permission granted solely to TGD.

Habitat of Geosesarma tiomanicum:

No habitat information was described for Geosesarma tiomanicum.

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