"seasnail" in the noun sense
1. snailfish, seasnail, sea snail, Liparis liparis
small tadpole-shaped cold-water fishes with pelvic fins forming a sucker related to lumpfish
any of several creeping marine gastropods with a spirally coiled shell: whelks tritons moon shells neritids
Source: WordNet® (An amazing lexical database of English)
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