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Boss Basses are enemies that appear in the Mario series, as enemies that attempt to swallow the player whole. They are seen in Super Mario Bros. 3, in some levels they jump out of the water to eat the player.


In Super Mario Bros. 3

One of a few enemies who can instantly kill Mario, Boss Bass will float around on the surface of the water waiting for his prey. If Mario gets to close, Boss Bass will eat him in one gulp. Projectiles and Starman Mario can kill it, although another will take it's place.

Non-canonical appearances

In The Adventures of Super Mario Bros. 3

Non-canon warning: This article or section contains non-canonical information that is not considered to be an official part of the Mario series and/or isn't considered to be part of the series' overall storyline.

Throughout the cartoon series, Boss Bass makes numerous appearances attempting to eat Mario. He is first seen chasing some fish around.

Non-canon warning: Non-canonical information ends here.


  • Their name is derived from 'Boss' (large and important; a leader) and 'Bass,' a type of fish.


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