Young rascals (7)

I believe the answer is:

urchins

(Other definitions for urchins that I've seen before include "Mischievous or ragged children, like sea creatures" , "Spiny marine invertebrates" , "Poorly-dressed children" , "Grubby young boys" , "Marine invertebrates and street children" .)

I've seen this clue in the Newsday.

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