Sumatran Blue Cobalt Goby

Sumatran Blue Cobalt Gobies are small, algae-grazing gobies known for their vivid electric blue coloration and peaceful nature. Native to fast-flowing streams of Southeast Asia, these gobies thrive in well-oxygenated, mature aquariums with plenty of smooth rocks and biofilm. They are excellent for planted tanks and nano-river setups.

• Temperature: 72–80°F

• pH: 7.0–8.0 — Adapted to Tallahassee tap water

• Hardness: 6–15 dGH

• Temperament: Peaceful and shy

• Recommended Group Size: Singly or in small groups with ample hiding spaces

• Minimum Tank Size: 10 gallons

• Max Size: 2–2.5 inches

• Diet: Hikari Algae Wafers, Fluval Bug Bites Bottom Feeder Formula, blanched vegetables (zucchini, spinach), and naturally grown biofilm or algae