Urchins eat starfish

[Perthegallon]

so ive had a starfish in my tank for a good year or so he’s a red stony one always done well and today I see he’s missing now in this tank there are only a few corals 3 urchins and him but he’s gone can urchins eat a starfish?

 

[Alaeriel]

Sea urchins are opportunistic omnivores. They *can* eat a starfish, but they almost certainly wouldn't kill one.