clingfish
/ˈklɪŋˌfɪʃ/
noun
- A small fish with a sucker on its belly that allows it to cling to rocks and other surfaces in fast-moving water.
- While snorkeling, we spotted a clingfish attached to the underside of a stone.
- The clingfish uses its powerful sucker to hold onto rocks in tidal pools.
- Scientists study the clingfish's adhesive disc to design better underwater robots.