Left-handed Whelk 7-8" organ The Stylaster genus can be

The Stylaster genus can be encrusting or arborescent

Sea Fan (18”) on a Mushroom Coral Base (6”)

Unless people cut carbon dioxide emissions

the ivory bush coral builds a skeleton of calcium carbonate – a compound that will become increasingly more rare as the ocean acidifies (a phenomenon caused by the ocean’s absorption of acidic carbon dioxide from the atmosphere)

they have a blue skeleton — all other corals just about have white skeletons — and also in that they haven't changed in their form for over 60-70 million years

Left-handed Whelk 7-8" organ The Stylaster genus can beThe 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