KnowraStarfishLinked fromLinked fromThe 11 pages that link to Starfish, each with the reason it gives.All 11Broader topic 3Related 4Narrower topic 1Compared with 3Sea cucumberCompared with: Sea stars share echinoderm ancestry but have a rigid, radially obvious form.Brittle starCompared with: Sea stars have less sharply separated arms and commonly use tube feet for locomotion.Strongylocentrotus purpuratusCompared with: Sea stars share echinoderm ancestry but differ sharply in body form from sea urchins.