20210109 圣卡塔利娜岛附近海藻上的西班牙披肩海蛞蝓 必应壁纸

西班牙披肩海蛞蝓 圣卡塔利娜岛附近海藻上的西班牙披肩海蛞蝓 今天我们要见到的是一群杂色的海蛞蝓中的一种，叫做裸鳃类动物（与“谢谢”押韵），它们以其独特的形状和霓虹灯般明亮的颜色而闻名，有助于阻止捕食者。西班牙披肩海蛞蝓的火橙色鬃毛是由一种名为cerata的卷须组成，主要起鳃的作用。但是，这种鬃毛也保留了来自蛞蝓猎物海葵的毒液，它能使任何想要吞食的人遭受痛苦的刺痛。如果一只贪婪的海星无视这些防御措施，靠得太近而无法获得舒适感，西班牙披肩海蛞蝓有一个B计划：通过像胶状翅膀一样拍打整个2到3英寸的身体，裸鳃类动物可以飞入开阔的水域快速逃生。

原文:

Today we're meeting one of a motley group of sea slugs called the nudibranchs (rhymes with 'thanks'), known for their unique, often complex shapes and neon-bright colors that help discourage predators. The Spanish shawl's fire-orange mane is made up of tendrils called cerata that mainly act as gills. But that mane also retains venom from the slug's prey—sea anemones—treating any would-be devourers to a painful sting. Should a ravenous sea star disregard these defenses and get too close for comfort, the Spanish shawl has a Plan B: By flapping its whole 2- to 3-inch body like a gelatinous wing, the nudibranch can flutter into open water for a quick escape.

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