Hermit crabs Calcinus of the world (Anomura: Diogenidae)


Calcinus kurozumii Asakura & Tachikawa, 2000

References. - Calcinus kurozumii Asakura & Tachikawa, 2000 (type locality: Mariana Islands).

Calcinus kurozumii - Asakura, 2002: 59 (types specimens, Mariana).

Shield and cephalic appendages. - Ocular scale with a single terminal spine. Species of normal size, i.e. shield length often greater than 2–3 mm. Anterodorsal plate of branchiostegite with row of spinules on dorsal margin.

Chelipeds (P1). - Upper margin of right chela tuberculated or spinous. Outer face of left palm regularly convex.

Ambulatory legs (P2-P3). - Dactyl of P3 subequal to propodus or slightly shorter (0.75–0.80). Distal pilosity of P3 dense, forming a brush of setae.

Armament of telson. - Left lobe of telson with a single spine. Right lobe with a single spine.

Coloration. - Shield orange (uniform pale orange yellow, in preservative). Ocular peduncle uniformly colored (In preservative, live coloration unknown). Detailed coloration of ocular peduncle: white to pale orange (in preservative). Distal antennular peduncle yellow-orange (in preservative). Distal antennal peduncle yellow-orange (in preservative). Chela uniformly colored, often grading to paler distally (orange turning to paler distally; carpus of cheliped orange). Ambulatory legs (P2 & P3) without ring(s) or spot(s) (pale orange yellow).

Habitat. - Intertidal rocky shores, shallow-waters (up to 3 m).

Geographic distribution. - Mariana Islands (Pagan Island). Indo-West Pacific.

Remarks. - Coloration pattern only known from preserved specimens "... no colored band or patch can be recognized on the ocular peduncles, chelipeds, and ambulatory legs."; live coloration unknown (see Asakura & Tachikawa, 2000: 272). This species is affiliated to Calcinus revi Poupin & McLaughlin, 1998.

Cite this publication as: J. Poupin (2003, Internet). - Hermit crabs Calcinus of the world (Anomura, Diogenidae). Descriptions, Illustrations, Identification, and Information Retrieval, using the DELTA format.