Rainbow Goby - 5cm

Species Profile

• Scientific Name: Stiphodon ornatus
• Common Name: Rainbow Goby
• Adult Size: Around 2 to 3 inches (5 to 7.5 cm)
• Life Expectancy: Typically 3 to 5 years in captivity
• Habitat: Native to fast-flowing freshwater streams and rivers in Southeast Asia; prefers rocky substrates with plenty of algae growth

Tank Requirements

• Minimum Tank Size: 20 gallons (75 liters)
• Ideal Temperature: 72–79°F (22–26°C)
• pH Range: 6.5–7.5
• Water Hardness: Soft to moderately hard (3–12 dGH)
• Temperament: Peaceful and shy; best kept with other small, non-aggressive fish

Diet & Nutrition

• Omnivorous: Yes — primarily grazers on algae and biofilm; in captivity, feed algae wafers, spirulina flakes, and occasional live or frozen foods like daphnia, brine shrimp, or micro worms.

Appearance

• Small, slender body with vibrant, iridescent coloration displaying a spectrum of blues, reds, and greens
• Males are more colorful than females, often showing bright horizontal stripes or spots
• Transparent fins with subtle color highlights

Distinctive Features

• Brilliant rainbow-like coloration that changes with light and angle
• Large, suction-cup-like pelvic fins used to cling to rocks in strong currents
• Active and agile, often seen darting quickly among rocks and plants