2250
Author
Franklin, J. Benjamin
Author
Subramanian, K. A.
Author
Fernando, S. Antony
Author
Krishnan, K. S.
text
Zootaxa
2009
2009-10-08
2250
1
63
journal article
11755334
22.
Conus eximius
Reeve, 1849
(Figure 23)
Conus eximius
Reeve, 1849
: pl. 6, no. 256 (
type
, BMNH (27.5 x
15 mm
) (
Röckel
et al.
1995
); "
Bay of Bengal
to
Papua New Guinea, Philippines
and
Taiwan
").
Material examined:
MBMCS 122
,
27specimens
, SL
35–55 mm
; SW
20–36 mm
.
Description.
Shell medium sized, light to solid. Body whorl conical, outline slightly convex near shoul- der, straight below. Shoulder angulate; spire low to high, outline concave to deeply concave; basal half of body whorl with variably spaced spiral grooves separating ribs anteriorly and a few ribbons posteriorly. Outer lip of aperture thick and nearly straight.
Ground colour white. Body whorl with broad, mostly interrupted brown spiral bands on either side of the centre; often brown axial flames extend from the posterior brown band to shoulder, sometimes additional irregularly spaced band below shoulder. Aperture white.
Distribution.
Kohn (1978)
first reported the occurrence of
C. eximius
in
India
by noting museum specimens in the AMNH and USNM, collected from Madras.
We collected specimens from Madras to Periyakuppam (
Table 6
) by trawling in
5 to 15 m
mainly on sand bottom.
Remarks.
No previous record of this species was available from the
TamilNadu
Coast, except that based on specimens deposited at AMNH and USNM. The specimen collected from Periyakuppam is the largest (
55 mm
) recorded so far in
India
.
Conus eximius
is generally reported as a deep-water species (
Walls 1979
;
Röckel
et al.
1995
;
Kohn 2001
), but the present survey collected this species in shallow depths. This species is usually landed with
C. amadis
,
C. malacanus
,
C. bayani
,
C. monile
and other gastropods like
Xancus pyrum
Linnaeus
and
Rapana bulbosa
Solander.
The specimens of
C. eximius
are morphologically similar to
C. malacanus
.
However, the latter has two uninterrupted yellowish to orange bands on either side of the centre of the last whorl. Spire height and colour pattern of last whorl of
C. eximius
varied considerably.