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    Question ID:   1229         Current Version: 1
Question: What is the sand collar that one often sees on beaches at low tide?
Category: Science > Zoology
Keywords: sand collar, beach, low tide, moon snail, naticidae
Type: what
Rating:(0 ratings)    Views: 357    Discussions: 0   In Watch Lists: 1  

 
    Answer:
A sand collar is the egg case made by moon snails, of the family Naticidae. The eggs are laid in a gelatin-like matrix with which sand grains are mixed. The individual egg capsules can be seen under a magnifying glass or microscope. When the little snails hatch, they swim around for a while before settling on the bottom.
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