betta fish purple halfmoon long tail black background

action aggressive alien amphibian animal aquarium aquatic background beautiful beauty betta biology black blue butterfly closeup color colorful copper dark dragon dress elegant exotic fancy fighting fish food freshwater galaxy gold green grey halfmoon invertebrate isolated leaf long luxury macro marble motion movement moving mustard musthalfmoon nature nemo oily oin organism original pet plakat power purple red reef reptile rose scale short siamese space splendens swimming tail thailand tropical type underwater water white wild wildlife wing yellow ztype