Freshwater aquarium fish include the most familiar, popular types of aquarium fish, such as guppies, black mollies, neon tetras and Siamese fighting fish, or Betta fish. Raising fish requires know-how ...

Scientists have found prized Siamese fighting fish are typically being kept in conditions a quarter of the size they need to thrive, challenging decades of retail practice in the multi-million dollar ...

(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 ...

Scientists have found Siamese fighting fish are typically kept in containers just one-quarter the size they need to thrive, challenging decades of retail practice in the ornamental fish industry ...

Add kitchen knives to the list of weapons that humans are using to fight invasive species. I'm talking about fish who've made their way into nonnative waters. How do they get here? Sometimes they ...