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| shelled snails text index | photo index |
| Phylum Mollusca > Class Gastropoda > Family Muricidae |
| Smooth
grooved drill awaiting identification* Family Muricidae updated Oct 08 Where seen? This prettily marked drill is often seen in groups on large boulders on our Nothern shores. Sometimes, groups of small ones are seen under large stones. Features: 2-3cm. Shell not as thick as the other more commonly encountered drills. The shell lacks spiny portions and has fine spiralling grooves. The white and brown patterns on the shell is often hidden by encrusting plants and animals. Operculum orange or yellow. What does it eat? It eats barnacles and bivalves, drilling a hole through the shell and sucking out the victims. |
 Chek Jawa, Jan 05 |
 Chek Jawa, May 05 |
 Underside |
 Closer look at shell opening |
Smooth grooved drills on Singapore shores
 Changi, Jul 05 |
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 Changi, May 08  A group of small ones under a stone. |
 East Coast, Jun 06  |
 Chek Jawa, May 05  |
more photos of smooth grooved drills on Singapore shores
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
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