Tuesday, April 22, 2008

From the question box- On the reproduction of clams

Finally, a real question to dig into!

How do clams have sex?

You know, I didn't actually know when I read this, but now I do!

Clams do in fact reproduce sexually, though they don't have sex, per se. Instead, they spawn. Seasonally, the female clams release large quantities of eggs into the water while the males release large quantities of sperm. So sperm and egg are required, but the actually process takes place out in open water.

It is also interesting to note that many species of clams change their gender throughout their lifespan!

If you want some more info on clams, try these out:
http://www.nefsc.noaa.gov/faq/fishfaq5.html
Snails, Clams, and their Relatives: Mollusks by Beth Blaxland

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