Dark red Betta fish hovering under a meticulously built bubble nest next to a green Pothos plant in a clear glass aquarium. - 4K 影片檔

A male Siamese fighting fish, also known as a Betta splendens, meticulously guards its bubble nest, a crucial part of its breeding process. The dark red fish with blue accents is seen resting calmly beneath the frothy white bubbles, nestled beside the vibrant green leaves and roots of a Pothos plant in a clear freshwater tank. This intimate close-up shot highlights the intricate details of the fish's fins and the delicate structure of the bubble nest.