Gobiodon rivulatus

Scientific Name: Signigobius biocellatus
Family: Gobiidae
Origin: Western Pacific (Indonesia, Philippines, Papua New Guinea, Solomon Islands)
Care Difficulty: Moderate – Difficult
Temperament: Peaceful
Diet: Carnivorous – Primarily micro-organisms
Minimum Aquarium Size: 80–120 liters
Maximum Size: 7–9 cm
Temperature: 24–27°C
Salinity: 1.023–1.025 SG
pH: 8.1–8.4
Reef Compatibility: Fully compatible

Signigobius biocellatus gets its name "Twin Spot" from the two distinct "eye-like" black spots on its body. These spots are a natural defense mechanism to mislead predators.

It is an interesting goby species that constantly moves across the sand, sifting for food.