swarm of black neon tetra hyphessobrycon herbertaxelrodi aquarium fish

albino american animal aquarium aquatic background barb barbus bartel black blue cardinal catfish characidae color danio female fin fisch fish fishtank freshwater glow glowing gravel green group herbertaxelrodi hyphessobrycon isolated light male mariene marine nature neon pets red salmler stripe swarm swimming tail tank tetra tropical water wels white wildlife