Hermit crabs Calcinus of the world (Anomura: Diogenidae)


Calcinus spicatus Forest, 1951

Illustrations. - • Male shield length 6.3 mm, Tuamotu. • Ocular peduncles, color pattern. • Left third pereopod, color pattern.

References. - Calcinus spicatus Forest, 1951: 90 (type locality, Gambier, French Polynesia).

Calcinus spicatus - Haig & McLaughlin, 1984: 119 (Vanuatu; Lord Howe Island, Australia). - Morgan, 1991: 903 (eastern Australia and Lord Howe Island). - Tudge, 1995: 14 (eastern Australia). - Poupin & Lemaitre, 2003: 16 (Loyalty Is. and New Caledonia; Cook Is.; Austral, French Polynesia).

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 (1.0–1.1). Distal pilosity of P3 more prononced than on distal P2, but not forming a dense brush of setae.

Armament of telson. - Left lobe of telson with several spines disposed on posterior and lateral margins (11–13 spines in total; only 5–8 spines on small specimens). Right lobe with several spines (5–8 spines, reduced to only 0–2 on small specimens).

Coloration. - Shield purple-brown. Ocular peduncle multicolored with narrow ring close to cornea. Detailed coloration of ocular peduncle: brown, burgundy or purple, with narrow white ring close to cornea. Distal antennular peduncle blue or dark blue (basal segments and proximal 1/2 of ultimate segment, orange; flagella orange). Distal antennal peduncle yellow-orange (basal segments purple; flagellum orange). Chela uniformly colored, often grading to paler distally (black turning to purple distally; carpus of cheliped black, bordered with purple on anterior margin). Ambulatory legs (P2 & P3) with ring(s) (purple and yellow).

Habitat. - Intertidal rocky shores.

Geographic distribution. - Eastern Australia (Queensland, New South Wales); Tasman sea (Elizabeth & Middleton Reefs, Lord Howe Island); New Caledonia and Loyalty Is.; Vanuatu; Cook; French Polynesia (Austral, Tuamotu, Gambier). Indo-West Pacific.

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.