Fish

Do betta fish fight because they're aggressive?

Verdict: Fact
Do betta fish fight because they're aggressive?

Male betta splendens (Siamese fighting fish) have been selectively bred for aggression. In the wild, they can escape conflicts, but in captivity, they will fight until one is dead. Females can often be kept together in sororities with proper space.

Sources & Further Reading

  • Journal of Fish Biology

Related Facts

Do fish feel pain?

Do fish feel pain?

Scientific evidence strongly suggests fish experience pain and distress.

Do fish grow to the size of their tank?

Do fish grow to the size of their tank?

Fish growth is stunted in small tanks due to poor conditions, not because they "stop growing".

Want Unlimited Access?

Go Pro for an ad-free experience, deeper dives into topics, and the ability to save your favorite facts.

Become a PetsStart.com Pro