Less than half an inch! That's why it's illegal to take it from the ocean.
They grow as much as 4.5 cm year. But colonies of coral grow as much as 10 cm a year
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1mm. per year
4 to 6.35 millimeters a year
4 millimeters
It grows about 330mm each year! Don't even worry about it. Jordan
yes im not sure how much but it grows a fair amount each year
Typically, none.
Most coral species spawn annually. They release eggs and sperm into the water on a few nights of each year. The eggs are fertilized in the water to produce coral larvae.
20 million grow in a year
About 12 inches each year.
Mushrooms grow back in the same place each year because even when they are cut down the roots are still there so next year they grow back.