penguin tetra swarm thayeria boehlkei blackline penguinfish aquarium fish

albino american amphiloxus animal aquarium background barb black blackline blue boehlkei cardinal color danio emperor eye female fish fishbowl fishtank fresh freshwater green group hockey hockeystick isolated line monk neon panda penguin penguinfish pet purple red school schooling stick stripe swarm tank tetra thayeria tropical water white