The Two Spot Blenny is a small blennies that feature large eyes and small mouth, which gives it a unique appearance. The Two Spot Blenny shows two prominent black spots on its stomach area, which has also given the name to it as the Two Spot Blenny. It is a peaceful fish that makes a great addition to any type aquarium weather fish only or a reef tank. The Two Spot Blenny grows up to 2 inches and should not be kept in a tank less than 10 gallons. The Two Spot Blenny requires the environment with plenty of live rocks that encourages the growth of algae on which it can feed in between, and caves or crevices that act as shelter to hide or retreat when stressed or frightened. The Two Spot Blenny should not be housed with aggressive species or predatory fish that may intimidate these fish. The Two Spot Blenny thrives well in a temperature range of 72-78 degrees Fahrenheit and pH of 8.1-8.4. The Two Spot Blenny is a peaceful fish, and is safest to keep only one fish unless you have a true mated pair. The Two Spot Blenny can feed on vegetable matter, blue green algae, blanched vegetables or prepared foods for herbivore fish.