How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
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- Can clownfish change sex?
“All clownfish are born male, and the dominant one in a group can become female.”
Reference: Smithsonian Ocean
More from this shelf
Why don't clownfish get stung by anemones?
Clownfish are protected from anemone stings by a special mucus coating.
How long is an elephant pregnancy?
Elephants have the longest pregnancy of any land mammal, about 22 months, so a mother elephant is pregnant for almost two years.