QUICK STATS

Care Level: Easy
Diet: Carnivore
Temperament: Peaceful, Territorial With Its Own Kind
Reef-Safe: Yes
Venomous/Toxic: No
Approximate Purchase Size: 0.75-1.25"
Approximate Max Size: Around 2"
Recommended Tank Size: 10 Gallons or Larger

NEON BLUE CLEANER GOBY

The Neon Blue Cleaner Goby (Elacatinus oceanops), also called the Neon Goby, Neon Blue Goby, or Electric Blue Cleaner Goby, is a tiny reef-safe goby known for its dark body and bright electric-blue horizontal stripes. It is small, hardy, peaceful, and active enough to add movement without acting like it owns the aquarium, which is refreshing behavior from a fish.

Neon Blue Cleaner Gobies are popular because they stay small, adapt well to aquarium life, and may display natural cleaning behavior. They can set up a cleaning station where larger fish allow them to pick at parasites, mucus, or dead skin. This behavior is fascinating, mildly gross, and somehow still more professional than most meetings.

This species is excellent for nano reefs, peaceful community tanks, and larger reef systems. It is generally reef-safe and should not bother corals or common invertebrates. Captive-bred individuals are especially desirable because they usually adapt well to prepared foods and aquarium conditions.

Note: Image is a representation of what to expect. The fish you receive may vary slightly in size, color, markings, stripe intensity, and overall appearance.

AQUARIUM REQUIREMENTS

AQUARIUM SIZE

A minimum tank size of 10 gallons or larger is recommended for a Neon Blue Cleaner Goby. Because this fish stays very small and does not require large open swimming areas, it can do well in nano aquariums when water quality is stable.

For pairs or community tanks, 20 gallons or larger is preferred. Larger aquariums provide more stable water conditions, more hiding areas, and more room for tank mates.

HABITAT RECOMMENDATIONS

Neon Blue Cleaner Gobies do best in established aquariums with live rock, peaceful tank mates, and secure hiding places.

Aquascaping: Provide live rock, caves, crevices, and ledges. These gobies often perch on rockwork, hover near shelter, or choose a favorite spot to observe the tank like a tiny blue-striped inspector with no clipboard.

Substrate: Sand, fine aragonite, crushed coral, or bare-bottom systems can all work. This species does not rely on the sandbed.

Rockwork: Live rock is strongly recommended. It provides shelter, territory, biological filtration, and natural surfaces for perching.

Cleaning Stations: Neon Blue Cleaner Gobies may establish a cleaning station where larger fish approach to be cleaned. Not every individual will perform this behavior consistently, especially if it is captive-bred and already very comfortable eating prepared foods.

Tank Cover: A tight-fitting lid is recommended. Small gobies can jump, because apparently being two inches long does not come with better judgment.

WATER PARAMETERS

Neon Blue Cleaner Gobies are hardy once established, but they still need clean, stable marine conditions. “Easy” does not mean “immune to nano tank chemistry nonsense,” because water remains annoyingly committed to science.

Temperature: 72-78°F
pH Level: 8.1-8.4
Salinity: 1.020-1.026 specific gravity
Ammonia, Nitrite, and Nitrate: Ammonia and nitrite should remain undetectable. Nitrate should be kept as low as reasonably possible, ideally below 20 ppm.
Water Flow: Low to moderate flow is ideal. Provide enough movement to keep the aquarium oxygenated and move waste toward filtration, while still allowing calmer areas for perching and resting.

DIET

Neon Blue Cleaner Gobies are carnivores that naturally feed on parasites, mucus, tiny crustaceans, and small meaty foods. In aquariums, they should be offered a varied diet and should not be expected to survive only by cleaning other fish.

PRIMARY DIET

Frozen Food: Offer mysis shrimp, enriched brine shrimp, cyclops, finely chopped marine blends, and other small frozen foods. We at Summit City Coral prefer frozen foods such as LRS Reef Frenzy and PE Mysis, chopped or broken down as needed for smaller gobies.

Prepared Foods: High-quality small marine pellets, flakes, and prepared carnivore foods can help provide balanced nutrition once the fish is eating reliably. Very small pellet sizes are best.

Live Foods: Copepods, amphipods, live brine shrimp, and other small live foods can help encourage feeding, especially in newly introduced or shy individuals.

Cleaner Behavior: This goby may pick parasites, mucus, or dead tissue from larger fish, but cleaning should be viewed as natural behavior, not the complete feeding plan. Fish are not healthcare providers, despite this one having suspiciously good bedside manner.

FEEDING FREQUENCY

Feed small amounts 1-2 times per day. In community tanks, make sure food reaches the Neon Blue Cleaner Goby before faster fish inhale everything like aquatic debt collectors.

COMPATIBILITY

Neon Blue Cleaner Gobies are peaceful and work well in nano reefs, peaceful community aquariums, and larger reef tanks. They are best housed with calm tank mates that will not bully or eat them.

COMMON TANK MATES

Fish: Clownfish, cardinalfish, firefish, peaceful gobies, blennies, small wrasses, chromis, dwarf angelfish, tangs in larger aquariums, and other peaceful to semi-peaceful reef fish.

Avoid: Large predatory fish, aggressive dottybacks, aggressive damsels, triggers, groupers, lionfish, hawkfish large enough to eat them, and any fish likely to view them as a snack with blue racing stripes.

Same Species: May be territorial toward other Neon Blue Cleaner Gobies unless kept as a bonded pair. Multiple individuals should only be kept in larger aquariums with enough space and hiding areas.

Invertebrates: Safe with cleaner shrimp, hermit crabs, snails, urchins, and most common reef invertebrates.

Coral: Neon Blue Cleaner Gobies are considered reef-safe and should not bother soft corals, LPS, SPS, zoanthids, mushrooms, clams, or anemones.

BEHAVIORAL NOTES

Temperament: Peaceful overall, though it may defend a small territory from similar gobies.

Cleaner Behavior: May clean larger fish by picking at parasites, mucus, or dead skin. This behavior is natural, but not guaranteed in every aquarium.

Captive-Bred Advantage: Captive-bred Neon Blue Cleaner Gobies usually adapt well to prepared foods and aquarium conditions.

Nano Reef Suitability: Excellent choice for smaller reef aquariums due to its tiny size, peaceful nature, and low space requirements.

Reef Compatibility: Excellent for reef tanks. They generally ignore coral and invertebrates.

Visibility: Often visible once settled, especially if housed with peaceful tank mates. Some individuals may choose a favorite perch or cleaning station.

Pairing: Can sometimes be kept as a bonded pair. Avoid mixing multiple individuals randomly in small tanks due to territorial behavior.

Feeding Risk: Very small individuals can be outcompeted by faster fish. Make sure they are eating well, especially during the first few days after introduction.

Jumping: A tight-fitting lid is recommended. Tiny gobies are fully capable of making dramatic little launch decisions.

ACCLIMATION PROCESS

This acclimation method helps reduce stress by gradually introducing the fish to your aquarium’s temperature and water chemistry.

1. TURN OFF THE LIGHTS & ATO

Turn off aquarium lights to reduce stress. If you have an Auto Top Off system, switch it off before starting acclimation.

2. FLOAT THE BAG

Float the sealed bag in the aquarium for 15-20 minutes to allow the temperature in the bag to equalize with the tank.

3. OPEN BAG, ADD FISH TO CONTAINER

Carefully open the bag and transfer the fish and shipping water into a clean bucket or container.

4. ACCLIMATE USING TANK WATER

Add 1/4 cup of tank water to the container every 5 minutes for 40 minutes.

5. TRANSFER FISH TO AQUARIUM

Once acclimation is complete, gently transfer the fish into the aquarium using a net or specimen container. Discard the shipping water. Do not pour shipping water into your aquarium.

6. REFILL THE AQUARIUM WITH SALTWATER

You may need to replace the saltwater removed during acclimation with fresh mixed saltwater.