These Sea Urchins Have a Terrifying Self-Defense Strategy

Prey animals are capable of defending themselves in an amazing of ways, but when it comes to mounting a sophisticated biological counter-attack, sea urchins have taken it to another level. When attacked by predatory fish, these humble echinoderms release a hostile cloud of tiny jaws that act independently of the…

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Source: Gizmodo – These Sea Urchins Have a Terrifying Self-Defense Strategy