Goldenbanded goby - Brachygobius doriae
Scientific name: Brachygobius doriae
Common name: Goldenbanded goby
Family: Gobiidae
Usual size in fish tanks: 4 - 5 cm (1.57 - 1.97 inch)
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Recommended pH range for the species: 7.2 - 8.4
Recommended water hardness (dGH): 10 - 20°N (178.57 - 357.14ppm)
0°C 32°F30°C 86°F
Recommended temperature: 23 - 28 °C (73.4 - 82.4°F)
The way how these fish reproduce: Spawning
Where the species comes from: South Asia
Temperament to its own species: aggressive/territorial
Temperament toward other fish species: peaceful
Usual place in the tank: Bottom levels
Food and Feeding
The Goldenbanded Goby thrives on a varied diet that closely mimics its natural feeding habits. While they will accept commercial flakes, they exhibit better health and vibrant coloration when provided with live or frozen foods. Suitable options include daphnia, tubifex, bloodworms, and brine shrimp. Offer small-sized foods that are easy for them to consume. Feeding them twice daily in small portions ensures they remain active and healthy. Due to their semi-aggressive nature toward their own kind, it's essential to distribute food evenly to minimize territorial disputes during feeding times.
Origin
Native to Southeast Asia, the Goldenbanded Goby is found in the estuarine regions of Indonesia, Malaysia, and Singapore. These habitats are characterized by a mix of fresh and saltwater, with sandy or muddy substrates, rocks, and abundant hiding places. Their preference for brackish environments makes them unique among goby species commonly kept in aquariums.
Sexing
Sexing Brachygobius doriae is challenging due to the lack of visible sexual dimorphism. During breeding periods, experienced aquarists may notice slightly fuller bellies in females, indicative of egg-carrying. However, these differences are subtle and not always reliable for identification.
Breeding
Creating a suitable environment can encourage spawning in Goldenbanded Gobies. Gradually adding freshwater to a brackish setup often mimics natural conditions that signal the breeding season. Females lay their eggs in sandy or muddy substrates, typically near rocks or in sheltered areas. Once the eggs are laid, the male takes over the parenting role, guarding the eggs and ensuring their safety. The eggs hatch within 2-3 days, and the fry become free-swimming a few days later. Feed the fry with newly hatched brine shrimp or other small, protein-rich foods to promote healthy growth.
Lifespan
With proper care, the Goldenbanded Goby can live for 5-8 years. Maintaining optimal water conditions and providing a balanced diet are crucial to their longevity.
Tank Setup and Conditions
Although often sold as freshwater fish, Goldenbanded Gobies thrive in a brackish tank. Use a mixture of fresh and marine water to replicate their natural estuarine environment. A specific gravity of 1.005–1.010 is ideal. Include rocks, driftwood, and dense vegetation to create hiding places and reduce stress.
They are territorial toward their own kind, so if you plan to keep multiple individuals, ensure the tank is spacious with plenty of visual barriers. A minimum tank size of 60 liters (15 gallons) is recommended for a small group. Maintain a stable temperature range of 23-28°C (73.4-82.4°F), a pH of 7.2-8.4, and moderate water hardness. Use a fine sandy substrate to mimic their natural habitat and prevent injury to their delicate fins.
Short Description
The Goldenbanded Goby (Brachygobius doriae) is a semi-aggressive, territorial species best suited for a brackish aquarium. Known for their vibrant gold-and-black coloration, they are both hardy and fascinating to observe. Their estuarine origins make them an excellent choice for aquarists looking to explore the unique challenges of maintaining a brackish water tank. Due to their temperament, they are best kept in a species-only setup with adequate hiding spots to reduce aggression.
Pictures
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