Rhinogobius duospilus
Rhinogobius duospilus is a small East Asian goby popular in planted nano and stream-style tanks. Males develop strong colour (often a magenta throat when displaying). Territorial toward similar-shaped bottom fish and other gobies; provide broken sight lines, smooth rock, and sand. Prefers cool to moderate temperatures and clean, well-oxygenated water with gentle to moderate flow.
Frozen cyclops, daphnia, brine shrimp nauplii; live or frozen blackworm; high-quality micro pellets.
Frequency: 2× daily
Small frequent feeds; can waste away if only dry flake is offered.
Native Region: China (Yangtze basin and connected streams)
Shallow riffles and pools over pebble and sand with moderate flow.
Long footprint over height; smooth stones; avoid sharp gravel; mature biofilm useful.
Activity Level: Moderate
Perches on rocks and wood; defends small territory; jumps—tight-fitting lid.
Difficulty: Difficult
Type: Egg layer
Sexual Dimorphism: Males brighter with enlarged head and throat when breeding.
Cave spawner; cool-season water changes sometimes reported to trigger.
Substrate: Sand
Plant Safe: Yes
Stacked slate and driftwood create territories without open duels.
Add this species to a saved tank stocking list.
Signed-in members only. New posts are moderated before everyone can see them — you'll always see your own while they're pending.
Loading…
Loading…