Range: Sagami Bay, Japan.

Description: Moderately small. Last whorl ventricosely conical; outline convex adapically, less so (right side) or concave (left side) below. Shoulder rounded. Spire of moderate height, outline nearly straight to slightly sigmoid. Larval shell of 2 whorls. First 3 postnuclear whorls tuberculate. Teleoconch sutural ramps flat to faintly convex, with several spiral threads. Last whorl with fine spiral ribs.

Colour white or white suffused with orangish yellow. Larval whorls white. Aperture white.

Periostracum "dull white" (Ninomiya, 1987).

Operculum ovately paddle-shaped.

Habitat and Habits: In 20-300 m. Structure of radular teeth suggests suggests vermivory (Ninomiya, 1987).

Discussion: C. ikedai is considered a valid species, although it may represent a subadult stage. The attachment of C. ikedai to C. profundorum as suggested by Kuroda et al. (1971) can no longer be maintained. C. profundorum has a generally higher spire (RSH 0.16-0.28), an elongately ovate operculum, 3 or more larval whorls, and its last whorl pattern consists of distinct brown spiral bands. C. smirna differs from C. ikedai in its higher spire (RSH 0.21-0.30), larger number of tuberculate postnuclear whorls (5-6), and in the spiral colour bands on its last whorl. C. lani can be distinguished by the more conical shape of its last whorl, its high spire (RSH 0.25-0.29), and its brown colouration with scattered white spots. For comparison with C. jeanmartini, C. scopulicola and C. darkini, see the Discussions of those species. Specimens similar to the type specimens of C. ikedal were recently collected in the New Caledonian area.

C. ikedai 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.