Sea fireflies adapted their threatening glow to attract mates
Tiny bean-shaped crustaceans called ostracods, known as sea fireflies, release glowing blue mucus to threaten predators, but some males evolved to use this to attract females
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Tiny bean-shaped crustaceans called ostracods, known as sea fireflies, release glowing blue mucus to threaten predators, but some males evolved to use this to attract females
