black emperor tetra nematobrycon amphiloxus tropical aquarium fish neon tetra

albino american amphiloxus animal aquarium aquatic background barb barbus black blue cardinal caudal characidae color danio detailed emperor eye female fish fishbowl fishtank fresh freshwater green herbertaxelrodi hyphessobrycon innesi isolated male nature nematobrycon neon palmeri paracheirodon pets puntius red salmler swarm swimming tail tank tetra tropical water white wildlife