Creature more dangerous turning tail? (8)

I believe the answer is:

scorpion

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'creature' is the definition.
(I know that scorpion is a type of arachnid)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for scorpion that I've seen before include "Desert arachnid" , "Poisonous arachnid" , "Sting-tailed creature" , "Venomous stinger" , "Small spider with pincers and stinging tail" .)

I've seen this clue in The Sun.

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