If other fishes are present in your tank, then it may not be a good idea for the skin of the sand dollar will begin to rot and spoil the tank. So first remove the sand dollar dry it in the sun and clean it with bleach. Then you can decorate your fish tank with the cleaned sand dollar.
Answer: The white shell-like skeleton of the sand dollar contains loose, boomerang shaped pieces. These are its teeth. When the sand dollar is alive, it has gills and other organs common to sea invertebrates.
A sand dollar is this piece of thin rock that has a design on it; typically a flower.It doesn't give birth. A sand dollar is this piece of thin rock that has a design on it; typically a flower.It doesn't give birth.
Laganum ocalanum is the smallest sand dollar at a minimum adult size of 1/8 of an inch. This species of sand dollar originated in the late Eocene epoch not long before 33.6 mya, which means this species survived the Eocene-Oligocene extinction.