Marine echinoderm (3,6)
![Ross](/clue/static/ross-mug.min.png)
'marine echinoderm' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for sea urchin that I've seen before include "Marine invertebrate with spikes" , "Shelled marine creature" , "Marine life form" , "Marine creature with near-spherical spiny shell" , "Marine invertebrate - enrich USA (anag)" .)
'marine echinoderm' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for starfish that I've seen before include "Astral aquatic animal" , "Well-armed customer" , "Has rifts (anag)" , "As swimmer" , "Heavenly marine animal?" .)