Male bettas are known fighters, aggressively flaring their gill covers and nipping at the fins of other males (or even females) who get too close. In the wild, fights may last only 15 minutes ...

Betta fish are native to the shallow waters of Thailand, Cambodia, Vietnam, and Laos. In the wild, they inhabit rice paddies, ...

Although the species is renowned for its stunning appearance, wild bettas are smaller with shorter fins, and are a dull gray, green, olive, or brown. Before mating, the male spends hours blowing b ...

Betta fish are natural carnivores, and in the wild would be found subsisting on a diet of insects and insect larvae. Understanding your betta's natural dietary habits will help you provide a ...

Bettas don’t thrive in tiny puddles in the wild—though during the dry season when streams dry up, some wild bettas do survive by puddle-hopping—and therefore prefer a tank of at least 2.5 ...

While other pet fish are content to have flakes of fish food, this won't do for betta fish. In the wild, they hunt insects to eat. Special pellets are designed to provide betta fish with the ...

Two new studies suggest that pet betta fish evolved a sex-determination gene that does not work the same way in wild bettas of the same or closely related species. “The way that sex is ...

The millennium of careful selection gave rise to the stunning diversity of domestic betta fishes alive today, but also caused both wild and domestic betta fish to undergo vast genetic changes.

Kwon and their team also found that some wild populations show genetic evidence from ornamental Betta (those kept in tanks), which means Betta fish kept by humans were probably reintroduced into ...