Brittle stars like hiding in shady parts of the reef.

海蛇尾喜欢藏在礁石的阴暗处。

Brittle stars are close relatives of starfish with a much more delicate appearance.

海蛇尾是海星的近亲，但外表更为精致。

One of the brittle star species she studies, Ophiocoma wendtii, also has color-changing superpowers.

她研究其中一种海蛇尾Ophiocoma wendtii，其还拥有变色超能力。

Brittle stars and many parasites had ancestors with anuses, but no longer have them.

海蛇尾和许多寄生虫的祖先有肛门，但现在已经没有了。

Instead the brittle stars flocked towards the pattern-suggesting they have at least rudimentary visual skills.

相反，海蛇尾会向图案处聚集，这表明它们至少具有最基本的视觉技能。

The red brittle star measures up to about 35 centimeters wide, from the end of one arm to the other.

这只红蛇尾宽约35厘米，即从一只手臂的末端到另一只手臂的末端。

This group includes animals like starfishes, brittle stars, sea cucumbers, and sea urchins.

该组包括海星、海蛇尾、海参和海胆等动物。

Instead the brittle stars flocked towards the pattern—suggesting they have at least rudimentary visual skills.

相反，海蛇尾蜂拥而至，表明它们至少具有基本的视觉技能。

Today, starfishes and brittle stars are the most successful groups of echinoderms in terms of abundance, diversity, and geographic distribution.

今天，就数量、多样性和地理分布而言，海星和海蛇尾是最成功的棘皮动物类群。

In bright daylight, their redness filters the light reaching photoreceptors along their arms. Brittle stars like hiding in shady parts of the reef.

在明亮的日光下，它们的红色会过滤到达手臂上光感受器的光线。 海蛇尾喜欢躲在礁石的阴凉处。