KnowraSea slugLinked fromLinked fromThe 8 pages that link to Sea slug, each with the reason it gives.All 8Broader topic 1Narrower topic 4Compared with 3Sea cucumberCompared with: Its name and soft body can invite confusion, but it is a mollusk, not an echinoderm.Cone snailCompared with: Sea slugs are gastropods too, but lack the characteristic cone shell and harpoon system.Sea snailCompared with: Sea slugs are marine gastropods often contrasted with shelled sea snails.