(CN) — Famous for its aggression, betta fish may soon be known for a milder trait: cooperation. When two Betta splendens fight for dominance, not only do their attacks mirror each other, but the gene ...

If you’ve ever visited a pet store, you’ve probably noticed small jars or bowls allowing limited or no movement of the one fish inside each container. These are bettas, also known as “Siamese fighting ...

BANGKOK-- A Siamese fighting fish with the colors of the Thai national flag has been bought for 53,500 baht ($1,530) at an online auction, possibly making it the most expensive Betta fish ever sold.

DEAR NOLA’S MOM: These peppy little fish, also known as Siamese fighting fish are customarily kept as solo pets. The main colors include: blue, red, turquoise, yellow, white and orange — and there are ...

When two betta fish are fighting for dominance, not only do their attacks mirror each other, but the gene expression in their brain cells also starts to align. The new findings may explain how the ...