bottom fish

any fish that feeds or lives near the bottom of a body of water, as a flounder or catfish

intransitive verb

to fish for bottom fish
Informal to make investments from among those stocks, bonds, etc. currently out of favor and selling at low prices

See bottom fish in American Heritage Dictionary 4

noun

A fish, such as a catfish, carp, or flounder, that lives on or near the bottom of a body of water.

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