Two Spot Goby - Signigobius biocellatus
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The Two Spot Goby (Signigobius biocellatus) is a peaceful and fascinating burrow-dwelling goby with a white body mottled in tan to gray. Two prominent black eye spots on the dorsal fins add to its unique appearance, and it is often seen standing guard near its sandy burrow.
Common Name: Two Spot Goby
Scientific Name: Signigobius biocellatus
Family: Gobiidae
Size: Up to 4 inches (10 cm)
Temperament: Peaceful
Difficulty: Moderate
Native Region: Found throughout the Indo-Pacific, including Indonesia and the Philippines, inhabiting sandy-bottom lagoons and reef flats where it forms burrows.
Reef Safe: Yes
Tank Size: Minimum of 30 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Fine sand is essential for burrow construction; provide rockwork for additional hiding spots.
• Behavior: Spends most of its time near or inside its burrow, often with a partner.
• Feeding: Carnivorous—accepts frozen mysis, brine shrimp, and finely chopped meaty foods.
• Pair Bonding: Often kept in mated pairs; introducing two together increases the chance of bonding.
• Tankmates: Ideal with peaceful reef fish; avoid aggressive or predatory species that may disturb burrows.