Researcher reports cannibalistic echinoderm underwater dwellers – Phys.org

Karina Brocco French explains that sea stars are like butterflies: They go through metamorphosis.
“They start out as adults on the sea floor, and they look like what you expect a starfish to look like,” she said. “And they spawn, and then those little embryos end up flying through the water, if you will, during a larval stage where they look like weird little spaceships.”
The weird little spaceship stage lasts around a month, Brocco French said, before they metamorphose into juveniles, settling…

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