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Neon Goby
Elacatinus oceanops
Animalia›Chordata›Actinopterygii›Gobiidae
📍 Caribbean — Florida to Honduras
Tiny electric-blue-striped goby renowned as a cleaner fish — will pick parasites from larger tank mates. Ideal for nano reefs. The Caribbean's answer to the cleaner wrasse.
Care Guide
Diet
Neon Gobies are obligate carnivores that primarily feed on small crustacean parasites in the wild. In captivity, offer small frozen foods like mysis shrimp, copepods, and enriched brine shrimp once daily in small portions. Supplement with high-quality micro pellets designed for small marine fish, though they may ignore prepared foods initially.
Behavior
These tiny gobies are peaceful, bottom-dwelling fish that spend most of their time darting along the substrate and rockwork. They are famous for their cleaner fish behavior, picking parasites and dead skin from larger tank mates' bodies. They are generally solitary or found in pairs and are active during the day, making them entertaining to observe.
Breeding
Breeding Neon Gobies in captivity is difficult and rarely successful in home aquariums. They require specific water conditions, small caves for spawning, and careful larval rearing with live food cultures. Most captive specimens are wild-caught, making them challenging to breed without expert-level care.
Tank Mates
Compatible reef fish that benefit from cleaner goby services; similar peaceful temperament
Another clownfish species that appreciates parasite removal; reef-safe pairing
Similar size and peaceful nature; both occupy bottom/mid-water zones without direct competition
Peaceful invertebrate that shares similar small size and bottom-dwelling habits
Both are cleaners with compatible peaceful temperaments; may compete for parasites but coexist well
Common Diseases
Ich (Marine Ich)
White spots on body and fins, rapid breathing, lethargy, rubbing against surfaces
Raise temperature gradually to 28-29°C, maintain excellent water quality, use copper-based treatments cautiously or UV sterilization; quarantine affected fish
Bacterial Infections
Torn fins, cloudy eyes, open sores, loss of appetite, color fading
Improve water quality immediately, perform partial water changes, use antibiotic medications if severe; ensure adequate nutrition
Parasitic Infections
Excessive scratching, visible parasites on skin, rapid gill movement, weight loss
Quarantine immediately, use appropriate antiparasitic treatments, maintain pristine water conditions, increase aeration
Starvation/Nutritional Deficiency
Extreme thinness, lethargy, faded coloration, inability to compete for food
Increase feeding frequency to 3-4 times daily with varied live and frozen foods; target-feed if necessary to ensure adequate intake
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Quick Facts
- pH
- 8.1–8.4
- diet
- parasites, mysis, copepods
- maxSize
- 2 inches
- minTankSize
- 10 gallons
- temperature
- 72–82°F (22–28°C)
Temperature
72–82°F
22–28°C