Range: Swain Reefs in southern part of Great Barrier Reef, Queensland, Australia

Description: Medium-sized, moderately solid. Last whorl conical or ventricosely conical to broadly conical or broadly and ventricosely conical, outline variably convex adapically and straight below; left side constricted just above base. In subadult specimens, last whorl may be slightly pyriform, outline slightly sigmoid. Shoulder angulate. Spire of low to moderate height, outline concave to nearly straight. Larval shell of about 2 whorls, maximum diameter 1.05-1.15 mm. First 3-6 postnuclear whorls tuberculate; specimens of about 45 mm with 8.5 teleoconch whorls. Teleoconch sutural ramps flat, with 1 increasing to 5-8 spiral grooves. Last whorl often with spiral ribs at base and a few weak spiral ribbons above; sometimes ribbons prominent, spirally striate and extending to shoulder; last whorl may also have groups of sometimes finely granulose elevations, each consisting of 2-3 fine spiral ribs anteriorly and 1 ribbon or 2 coarse ribs posteriorly.

Ground colour white. Last whorl with 3 axially connected spiral rows of yellowish-brown to orange axial streaks and flames, below shoulder and on each side of centre; adapical markings partially extending to spire. Larval whorls white. Postnuclear sutural ramps with radial lines and streaks matching last whorl pattern in colour. Aperture white.

Habitat and Habits: In 170-250 m, on grey mud and sand.

Discussion: C. colmani is similar to C. limpusi and C. lizardensis; for comparison, see the Discussions of the latter species.

C. colmani range map

This section contains verbatim reproductions of the accounts of 316 species of Conus from the Indo-Pacific region, from Manual of the Living Conidae, by Röckel, Korn and Kohn (1995). They are reproduced with the kind permission of the present publisher, Conchbooks.

All plates and figures referred to in the text are also in Röckel, Korn & Kohn, 1995. Manual of the Living Conidae Vol. 1: Indo-Pacific Region.

The range maps have been modified so that each species account has it own map, rather than one map that showed the ranges of several species in the original work. This was necessary because each species account is on a separate page on the website and not confined to the order of accounts in the book.