Which betta fish tank is best ... the light should be turned off or swapped with a bulb that provides a blue or purple light. Many tanks include an LED lighting system that allows for multiple ...

Bettas should ideally live alone without tank mates, and especially not with other betta ... of your fish’s heritage.

This dark green ... fish to act like people,” he says, so he learned to coax them into various positions by changing the size and shape of the tanks. A tall tank, for instance, encourages a ...