Scandarma raymondi Ng, 2013

Naruse, Tohru & Ng, Peter K. L., 2020, Revision of the sesarmid crab genera Labuanium Serène and Soh, 1970, Scandarma Schubart, Liu and Cuesta, 2003 and Namlacium Serène and Soh, 1970 (Crustacea: Decapoda: Brachyura: Sesarmidae), with descriptions of four new genera and two new species, Journal of Natural History (J. Nat. Hist.) 54 (7 - 8), pp. 445-532 : 498-499

Scandarma raymondi Ng, 2013

Scandarma raymondi Ng, 2013, p. 289 , figs 1–3 [type locality: Kinabalu , Sabah, Malaysia].

Material examined

Holotype. ZRC 2013.0614 , male 11.9 × 12.9 mm, Kota Kinabalu , Sabah, Malaysia, coll. R. Goh, 1 November 1990.

Diagnosis

Carapace squarish, external orbital angle triangular, lateral margins with 2 small crenulations; 2 pairs of postfrontal lobes present, lateral lobes slightly exceeding mesial lobes anteriorly; anterior margins of all lobes far from frontal margin in dorsal view. Palm of male chela swollen; outer surface granulated, granules smaller on lower part, with small median protuberance on proximal part of sloping smooth area around bases of fingers; upper surface with 1 straight, longitudinally traversing, not densely packed row of relatively small granules, and with a few short, oblique rows on inner side. Immovable finger almost straight, gradually tapering towards tip, occlusal margin lacking marked proximal elevation, lined with small teeth and 1 large tooth over proximal third, followed distally by similar combination of small teeth and 1 large tooth, 1 large subdistal tooth. Movable finger curved, occlusal margin lined with 2 proximal large teeth, followed distally by small teeth, and 1 subdistal tooth; inner side of upper margin sparsely lined with acute granules, granules indistinct distally; subdistal tooth of movable finger fitting between 2 subdistal teeth of immovable finger when closed. Male pleonal somite 3 widest, somite 4 abruptly narrowed distally, lateral margins of somites 3–5 clearly concave. G1 short, almost straight, stout, narrowed medially, distal end with relatively narrow, anterolaterally directed corneous process.

Colouration

In preservative: carapace yellowish-brown, chelipeds yellow just after preservation in alcohol ( Ng 2013, p. 293).

Distribution

Known only from the type locality, Kinabalu , Sabah, Malaysia ( Ng 2013).

Remarks

See Ng (2013, p. 293) and ‘Remarks’ for Scandarma splendidum .

Ecological note

The only known specimen was collected from inside a mixed forest in a town centre near a river less than 2 km from the sea ( Ng 2013).