fish description – Red Belted Goby Care Guide ()
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Appearance and Sexual Differences
- Short Description: This tiny goby showcases beautiful bright red and yellow coloration in mature males, contrasting with a subtle body pattern. Like all gobies in this group, they possess a strong ventral suction cup to anchor against the current.
- Coloration: Males exhibit vibrant red/orange and yellow coloration, particularly on the rear half of the body and the second dorsal fin. Females are less colorful but still active.
- Fins: The pelvic fins are fused into a suction disc, which is essential for clinging to rocks in high water flow. They are notorious for being able to climb out of the tank if a lid is not secure.
- Behavior: They are very active, clinging to or scurrying across the substrate and rockwork. They are generally peaceful but become territorial toward competing bottom-feeders, especially in smaller tanks.
Tank Requirements and Water Parameters
- Minimum Tank Size: 10 gallons is the minimum for a single specimen, but 30+ gallons is better for stability and to house a group. A tight-fitting, weighted lid is mandatory.
- Schooling: Can be kept singly, in pairs, or in small groups. Keeping a mixed-sex group will encourage the most vibrant male coloring.
- Temperature: Tropical range: ––. High oxygen content is the most crucial parameter, requiring very strong filtration/water movement.
- pH Level: Neutral to slightly acidic water: 6.0 to 7.5. They require heavy water flow (10–15x turnover per hour) to simulate their natural stream environment.
- Aquascape: Replicate a clean, rocky stream. Use fine sand or smooth gravel, and abundant smooth river rocks and driftwood. Arrange decor to create high-flow areas and provide plenty of hiding crevices. Plants like Anubias are excellent.
Diet and Feeding
The Red Belted Goby is a micropredator and exclusively requires high-quality carnivorous foods.
- Staple Diet: They are predators of small invertebrates in the wild. Dry foods (flakes/pellets) are typically ignored and should not be relied upon.
- Supplementation: Diet must consist of high-quality frozen and live meaty foods of appropriate size: Bloodworms, Brine Shrimp, and Mysis Shrimp.
- Schedule: Feed small amounts once or twice a day, ensuring the food is accessible at the bottom of the tank.
Compatibility
- Caution: They can be territorial and should be watched carefully with other slow-moving or passive bottom-dwellers. Do not house with dwarf shrimp as they may prey upon them; larger shrimp species are generally safe.
- Good Tank Mates: Small, peaceful, mid-to-upper water column fish that can handle the strong current required for the goby. Examples include small Rasboras, Tetras, and Hillstream Loaches.






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