Jack Dempsey
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English[edit]
Etymology[edit]
Named after the American boxing champion Jack Dempsey (1895–1983), because of its aggressive nature and strong facial features.
Noun[edit]
Jack Dempsey (plural Jack Dempseys)
- Rocio octofasciata, a cichlid fish Native to Mexico and Honduras, but widely kept in aquaria and introduced elsewhere in the wild.