sand-sucker

Century Dictionary and Cyclopedia

1. n. The rough dab, Hippoglossoides limandoides, also called sandfluke and sandnecker. The name is due to the erroneous idea that it feeds on nothing but sand. Day, Fishes of Great Britain and Ireland, II. 10.
2. n. In the United States, a general popular name for soft-bodied animals which hide in the sand, sometimes exposing their suckers, tentacles, or other parts, as ascidians, holothurians, or nereids.