A cone snail’s shell grows in a spiral pattern, adding new layers as the snail gets bigger!
Aquatic Animals - Facts for Kids

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Random Facts About Aquatic Animals For Kids
Physical Characteristics
A starfish isn’t actually a fish at all — scientists call them “sea stars” because they’re really part of the echinoderm family, just like sea urchins and sand dollars!
Historical and Cultural Significance
The name “dugong” comes from a Malay word meaning “lady of the sea.” That’s why sailors sometimes thought dugongs were real-life mermaids!
A blue whale’s throat is only about 4–8 inches (10 to 20 centimeters) in diameter, so it can’t swallow anything bigger than a beach ball!
Some species of jellyfish can clone themselves if cut in half, with each half growing into a complete jellyfish!