Blue Neon Goby - 4cm

Species Profile

• Scientific Name: Stiphodon semoni
• Common Name: Blue Neon Goby
• Adult Size: Approximately 2 to 3 inches (5 to 7.5 cm)
• Life Expectancy: Around 3 to 5 years in captivity
• Habitat: Freshwater streams and rivers with clear, fast-flowing water; native to Papua New Guinea and parts of Indonesia and northern Australia

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, shy; prefers to have plenty of hiding spots

Diet & Nutrition

• Omnivorous: Yes — feeds on algae, biofilm, and small invertebrates; in captivity, should be offered algae wafers, spirulina-based foods, and small live or frozen foods such as daphnia and brine shrimp.

Appearance

• Small, slender body with bright iridescent blue stripes running horizontally from head to tail
• Transparent fins with hints of blue and sometimes red
• Males tend to be more vibrantly colored and slightly larger than females

Distinctive Features

• Striking neon-blue horizontal stripes that shimmer under light
• Sucker-like pelvic fins that allow them to cling to rocks in fast currents
• Behaviorally adapted to fast-flowing stream environments, often seen grazing algae on rocks