Siamese Fighting Fish Yellow Halfmoon Betta Splendens.Males build bubble nests of various sizes and thicknesses at the surface of water. Do this regul

- Image ID: PGNXFE
Siamese Fighting Fish Yellow Halfmoon Betta Splendens.Males build bubble nests of various sizes and thicknesses at the surface of water. Do this regul
Balazs Lengyel / Alamy Stock Photo
Image ID: PGNXFE
Siamese Fighting Fish Yellow Halfmoon Betta Splendens.Males build bubble nests of various sizes and thicknesses at the surface of water. Do this regularly even if there is no female present.