Hermit crabs Calcinus of the world (Anomura: Diogenidae)


Calcinus dapsiles Morgan, 1989

Illustrations. - • Ocular peduncle, color pattern. After Morgan, 1991. • Left third pereopod, color pattern. After Morgan, 1991.

References. - Calcinus dapsiles Morgan, 1989 (type locality, east of Albany north and west to Shark Bay, southwestern Australia).

Calcinus dapsiles - Morgan, 1991: 873 (Western Australia).

Shield and cephalic appendages. - Ocular scale with a single terminal spine.

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. Distal pilosity of P3 weak, similar to distal P2.

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

Coloration. - Shield pale brown to red brown. Ocular peduncle multicolored with narrow ring close to cornea. Detailed coloration of ocular peduncle: brown with pink tinge proximally, narrow cream ring close to cornea. Distal antennular peduncle brown (to cream; basal segments with same color; flagella cream with orange ventrally). Distal antennal peduncle brown (to cream; basal segments with same color; flagellum pale orange). Chela uniformly colored, often grading to paler distally (dark brown, turning to cream; carpus of cheliped dark brown, spines and tubercles white). Ambulatory legs (P2 & P3) without ring(s) or spot(s) (background pink to red, brown or purple brown; white area on distal dactyli and propodi).

Habitat. - Facultative associates of corals (e.g. Pocillopora, Acropora), shallow-waters (subtidal to 97 m).

Geographic distribution. - Western Australia only. Indo-West Pacific.

Remarks. - Very abundant in southwestern Australia where it is the only species occuring south of Rottnest Island (Lat. 32°).

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.