Mushrooms are considered 'phase shift' corals
and is usually attached to a small piece of rock
and is difficult to maintain
The species has a complex structure with many branches which resemble that of elk antlers
Carnivorous sponges are typically erect
Left-handed Whelk 8-9" shell Mushrooms are considered 'phase shift'The 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