Hippopus hippopus dinner

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Asagi

Asagi

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This is kind of a nonsensical statement, no living species is "less evolved" than anything else. Also tons of organisms produce some kind of alarm signal when damaged or under adverse conditions, even bacteria. I guarantee you by that standard, clams "scream" too.
I’m more evolved than kale. Explain that!
 

Looking for the spotlight: Do your fish notice the lighting in your reef tank?

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