Diet: The mouth of the Knobby Star is located on its underside
Nautilus have a well developed nervous system and highly developed eyes
Members of this family are shaped rather like bonnets or helmets
The larger polyps are called gastrozooid polyps
Male individuals in this species are considerably smaller than females
Left-handed Whelk 11-12" pipe Diet: The mouth of theThe Lightning Whelk, Sinistrofulgur sinistrum (Hollister, 1958), is one of the local molluscan celebrities, not only because of its large size, but also thanks to very special features that make this species truly remarkable. For instance, unlike most gastropods, which are right handed, the Lightning Whelk has a left handed shell (shell opening to the right with shell spire pointing up). Abnormally right handed Lightning Whelks are very uncommon, but