For subscribers

Betta in the wild: Plain ancestors of Siamese fighting fish facing extinction

Sign up now: Get ST's newsletters delivered to your inbox

Follow topic:
With their territorial behaviour and long fins and tails that trail behind them like silk scarves, the Siamese fighting fish are reared to be beautifully aggressive.
Bring one male too close to another, and fins, tails and gills will flare in a defiant show of beauty - a warning not to come too close.
See more on