Others

Celestial Pearl Danio (Celestichthys margaritatus) approximately .5 inch in size  

Panda Garra (Garra flavatra) 1-1.5+ inch in size  

Pea puffer approximately .5+ inch in size  

Glowlight Danio (Celestichthys choprae 1 inch in size Small nano fish Best kept in groups  

Giant Danio (Devario aequipinnatus) currently 1-2 inches in size

True siamese algae (Crossocheilus siamensis) eater 1-2+ inch in size. Yes this is the one that actually eats algae!  

Rope fish 12 inches in size   Mainly found in African waters, the fish can grow to be up to 16 inches long depending on how spacious the tank is. Because of their relatively poor vision, these fish depend on their sense of smell to find food...

This is for 1 zig zag eel approximately 5-6+ inch in size