Mysterious Creature Washes Up on Texas Shore

Why Are They So Poisonous? 

The Blue Dragon stores up the concentrated nematocysts, also known as stinging cells, from the poisonous prey that they eat. That will inflict a horrible sting when threatened or touched... Get the slug upset enough, and its sting could kill you.

They're Tiny

The slug is so dangerous because it's so small! The largest recorded Blue Dragon was a whopping inch and a half. They're usually between one and a half to three centimeters long.

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The More You Know

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Post originally appeared on Upbeat News.