The Basket Star’s Hidden Arms
Certain starfish, known as basket stars, grow to more than 60 centimeters (24 in) in diameter and extend long tendrils that act as traps.
When the starfish spots some zooplankton, it wraps the tendrils around the prey and secretes mucus to trap it. Then it draws the food to its mouth, feeds on it, and extends the tendrils again to catch its next victim.
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