Bottom-feeder and Bottom fish

Bottom-feeder noun - One who does things only for his own benefit and with little regard for right and wrong.

Bottom fish and bottom-feeder are semantically related. in lowlife topic. In some cases you can use "Bottom fish" instead a noun phrase "Bottom-feeder".

Bottom fish noun - Fish that live on the sea bottom (particularly the commercially important gadoid fish like cod and haddock, or flatfish like flounder).

Bottom-feeder and bottom fish are semantically related. Sometimes you can replace phrase "Bottom-feeder" with "Bottom fish", this phrases are similar.