colorful betta fish displaying vibrant scales in dark aquarium water

fish betta aquatic colorful scales aquarium vibrant swimming nature pets water closeup detail fauna beauty freshwater underwater fins exotic solo aquaticlife animal colorfulfish aquaticenvironment tropical habitat portrait petcare fin serene allure swimmingfish fishfins mesmerizing bright aquaticpet ornamental exoticfish richcolors biodiversity freshwaterfish livingcreatures relaxation tranquility wildlife underwaterlife stillness