Thursday, November 5, 2009

What just happened here and why does it matter?

Two adults are peering into a tidepool and reaching towards one of many very similar-looking sea stars. They both ask questions such as: “Does he bite? Will he sting me? How fast can he move?”

I smile as I reply in my warmest naturalist tone: “She is very slow and does not bite or sting.” And her food doesn’t move and so she doesn’t need speed. It’s perfectly safe to touch her gently with one finger.”

One of the visitors looks up at me and asks: "How do you know it's a female?"

How indeed. Without knowing anything about sea star biology except that males and females look the same until they spawn, what do you think just happened and what do you think I said next to the visitor?

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