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FishmediumFreshwater

Tanganyika Clown Goby

Eretmodus cyanostictus

📍 Lake Tanganyika, Africa

The Tanganyika Clown Goby is a small, colorful cichlid endemic to Lake Tanganyika, known for its vibrant blue spots and peaceful demeanor. These bottom-dwelling fish are excellent for specialized African cichlid aquariums and add unique behavior and coloration to the tank. They are relatively hardy but require specific water conditions and careful tankmate selection.

Size3.5"
Min Tank20g
semi-aggressive
Zonebottom

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Care Guide

Diet

Feed small live or frozen foods such as bloodworms, brine shrimp, and daphnia 2-3 times daily. Supplement with high-quality sinking pellets and occasional vegetable matter like blanched spinach. These fish are micropredators and benefit from frequent small meals.

Behavior

Tanganyika Clown Gobies are benthic feeders that spend most of their time on the substrate searching for food and exploring rocky crevices. They are territorial but generally peaceful with non-competing species, though males may display aggression toward each other. They exhibit interesting hovering and darting behaviors while foraging.

Breeding

Breeding is moderately difficult and requires stable water conditions and proper cave structures for spawning. Pairs are monogamous and will guard eggs and fry aggressively. Provide small caves or PVC tubes as breeding sites and maintain excellent water quality during the breeding cycle.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, rapid breathing, flashing against surfaces

Treatment

Gradually raise temperature to 28-30 C (82-86 F), use aquarium salt at 1 teaspoon per gallon, perform daily water changes, treat with copper-free ich medication

Fin Rot

Symptoms

Frayed or deteriorating fins, discoloration at fin edges, lethargy

Treatment

Improve water quality with frequent water changes, reduce stress, use antibiotic medication or salt baths, ensure proper nutrition

Bloat (Malawi Bloat)

Symptoms

Swollen abdomen, loss of appetite, difficulty swimming, pale coloration

Treatment

Perform large water changes, feed high-quality foods sparingly, avoid overfeeding, use medicated food if bacterial infection suspected

Bacterial Infection

Symptoms

Open sores, ulcers, cloudy eyes, torn fins, behavioral changes

Treatment

Maintain pristine water conditions, use broad-spectrum antibiotic medication, isolate affected fish if possible, increase aeration

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Quick Facts

diet
omnivore with preference for small invertebrates and algae
lifespan
5-8 years
max size
9 cm (3.5 in)
tank size
20 gallons minimum
temperament
semi-aggressive

Water it likes

ph
7.5-8.5
ammonia
0 ppm
nitrate
<20 ppm
hardness
10-20 dGH
temperature
75–81°F (24–27°C)

Stats

Community tips0
Kept by0 hobbyists