Definition of fighting fish in English:

fighting fish

Syllabification: fight·ing fish
(also Siamese fighting fish)

noun

A small labyrinth fish native to Thailand, the males of which fight vigorously. It has been bred in a variety of colors for fighting and for aquariums.
  • Betta splendens, family Belontiidae
More example sentences
  • Two male fighting fish do not usually fight to the death; the loser just flees the scene.
  • Previous studies on Siamese fighting fish and toads, as well as on humans and other primates, have yielded similar results.
  • Some others, like the Siamese fighting fish, are capable of breathing air in addition to extracting oxygen from the water with their gills.

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