Small edible crustacean (6)

I think it could be either:

Which length description are you looking for?:

shrimp

'small edible crustacean' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for shrimp that I've seen before include "Seafood" , "Raising of a siege" , "Crustacean; small child" , "ingredient of cocktail" , "Small shellfish or very small person" .)

I've seen this clue in the Irish Times (Simplex), The Guardian and The Irish Times.

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