Fish List

The cobalt blue goby (Stiphodon semoni) is a small, brightly colored freshwater fish known for its striking iridescent blue coloration, especially in males. Native to fast-flowing streams in Southeast Asia and the Pacific Islands, this peaceful species is often kept in aquariums for its vibrant appearance and calm temperament. It typically grows to about 2 inches (5 cm) in length and thrives in clean, well-oxygenated water with plenty of hiding spots.

The neon blue stiphodon goby (Stiphodon atropurpureus) is a small, freshwater fish prized for its vibrant electric blue coloration, especially in males. Native to fast-moving streams in East and Southeast Asia, it grows to about 2 inches (5 cm) and prefers clean, oxygen-rich water. Peaceful and active, it's a popular choice for aquariums with plenty of rocks and algae for grazing.

One of the more brilliantly colored gobies in the genus Stiphodon, the Red Rainbow or Red Neon Goby originates from fast moving rocky streams throughout the island of Sumatra, Indonesia. In the wild, it lives in small groups where individual fish stake out their own territories among the rocks. They feed on algae growth and biofilms in the wild and in the aquarium should be fed algae or vegetable based sinking foods (gel diets are ideal). They require clean, well-oxygenated water with some current and will do best at slightly cooler temperatures than most tropical fish (74-76F).