Ocelot Bumblebee Goby (Brachygobius aggregatus / ocelot)

The Ocelot Bumblebee Goby is a tiny, captivating bottom-dweller with a "big fish" personality. What sets this variety apart is its irregular, spotted black markings over a bright gold-to-creamy yellow body. They are famous for their bulldog-like faces and their ability to "perch" on rocks, plants, or even the aquarium glass. While small in size, they are incredibly territorial over their chosen caves, making them a fascinating study in social behavior for nano-tank enthusiasts.

Key Information

• Common Name: Ocelot Bumblebee Goby, Spotted Bumblebee Goby

• Scientific Name: Brachygobius aggregatus

• Origin: Southeast Asia (Philippines, Indonesia, Malaysia)

• Max Size: 3.5–4 cm

• Lifespan: 3–5 years

• Temperament: Peaceful but territorial with other gobies.

• Diet: Carnivore – Requires live or frozen foods. They rarely accept flakes or pellets. Best fed with bloodworms, daphnia, or baby brine shrimp.

• Care Level: Moderate

Water Parameters

Parameter	Value
Temperature:	24–28°C
pH:	7.5–8.5
Hardness:	10–20 dGH
Salinity:	Low-end Brackish (1.002–1.006 SG) is highly recommended for long-term health.
Minimum Tank Size:	40L+

Behaviour & Tank Compatibility

These gobies are "stationary" hunters that spend most of their time watching their surroundings from a cave entrance. They are best kept in a species-only nano tank or with very peaceful brackish companions. Ideal tank mates include Mollies, Guppies (acclimated to salt), and small Glass Shrimp. Avoid large or aggressive fish, as these gobies are too small to defend themselves against predators.

Ideal Tank Setup

• Abundant Hiding Places: Crucial. Provide more caves than there are fish. Use small terracotta pots, PVC pipes, or rock crevices to allow each goby to claim a territory.

• Sand Substrate: Fine sand prevents injury to their bellies as they hop along the floor.

• Crushed Coral/Aragonite: Adding a bit of this to the substrate helps keep the pH and hardness high, which they prefer.

• Brackish Conditions: While often sold as freshwater, adding a small amount of marine salt (not aquarium salt) significantly improves their immune system and color.

• Gentle Filtration: They do not like strong currents; a sponge filter is ideal for a nano setup.

Why Choose the Ocelot Bumblebee Goby?

The Ocelot Bumblebee Goby is the perfect choice for the "nano-reef" freshwater hobbyist. Their striking "spotted" aesthetic and interactive nature—often "begging" for food once they recognize their keeper—makes them an endearing addition. For those willing to maintain a slightly brackish environment, they are a hardy and visually stunning "oddball" species.