Bottom-dwelling creatures like mussels, brittle stars and sea urchins have not developed any defenses.

类似贻贝、海蛇尾和海胆这样生活在海底的生物尚未演化出任何防御能力。

youdao

There are starfish that can make light. And there are brittle stars that produce bands of light that dance along their arms.

还有会发光的海星，这是阳燧足，会发出带状的光，随著牠们的手臂起舞。

youdao

Feeds during the day, primarily on mollusks, but also takes fishes, as well as other invertebrates such as brittle stars and sea urchins.

白天进食，主要是软体动物，而且还吃鱼类，以及其他无脊椎动物，如海蛇尾和海胆。

youdao

Snails, brittle stars, sea spiders and some marine worms have evolved without armor and other protections they would need to survive alongside the king crab.

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