Noun
fighting fish (plural fighting fishes or fighting fish)
A small aggressive freshwater fish originating from Thailand, popular as aquarium fish, Betta splendens.
You know how fighting fish do it? They blow bubbles and in each one of those bubbles is an egg and they float the egg up to the surface. They keep this whole heavy nest of eggs floating, and they're constantly repairing it. It's as if they live in both elements. Audre Lorde