While we make every effort to ensure that our online stock levels are accurate and up to date, some products—particularly those that are perishable or subject to daily changes—may vary in availability. This includes livestock, fish, corals, and both fresh and frozen foods. Due to the nature of these items and their dependence on factors such as shipment schedules, health status, and in-store demand, availability can change rapidly and may not always be reflected in real time on our website.
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A tiny reef dweller with a big personality, the Green Coral Goby (Gobiodon histrio) is a charming, peaceful fish often seen perching among coral branches. Its vibrant green coloration and strong coral association make it a delightful addition to nano and reef aquariums. Ideal for peaceful reef tanks, it forms symbiotic relationships with Acropora corals and thrives in stable environments.
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Species: Gobiodon histrio
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Common Names: Green Coral Goby, Broad-barred Goby, Clown Goby
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Origin: Indo-Pacific – reefs from the Red Sea to the Great Barrier Reef
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Light Requirements: Moderate to High (reef lighting)
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Diet: Carnivorous – eats small meaty foods like copepods, brine shrimp, mysis shrimp, and finely chopped seafood
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Maximum Size: 3.5–4 cm (1.5 inches)
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Temperament: Peaceful, reef-safe
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Care Level: Easy
Aquarium Setup:
Best suited for nano and reef aquariums with branching SPS corals, especially Acropora, which it uses for shelter and spawning sites. Tank size can be as small as 30 liters (8 gallons), though 60+ liters is recommended for stability. Provide live rock, coral branches, and gentle water movement. Secure lids are advised, as gobies may jump occasionally.
Water Parameters:
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Temperature: 24–27°C (75–81°F)
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pH: 8.1–8.4
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Salinity: 1.023–1.025
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Alkalinity: 8–12 dKH
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Calcium: 400–450 ppm
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Magnesium: 1250–1350 ppm
Growth and Maintenance:
The Green Coral Goby is hardy and easy to care for, making it ideal for beginner reef keepers. It often perches in one location and can become quite interactive with its owner. Feed small meaty foods 1–2 times daily. Will spawn in captivity under the right conditions, often laying eggs among coral branches.
Care Tips:
✔ Placement: Ideal in tanks with SPS corals like Acropora
✔ Water Stability: Stable reef parameters are essential
✔ Feeding: Target feed with small meaty foods if not in high-pod systems
✔ Avoid Pests: Maintain clean coral health and dip new additions
✔ Distance from Other Corals: Safe with all coral types but prefers SPS
Compatibility:
Very peaceful and compatible with most reef-safe fish, shrimp, and corals. Can be kept singly or in pairs if introduced at the same time. Avoid keeping with large or aggressive tank mates that may harass or outcompete it for food.
Availability:
Moderately available depending on collection seasons and coral export restrictions. Often seen in nano-reef offerings and coral-rich systems. Contact us for current availability and pair options.
Disclaimer:
"Due to variations within species and age of fish, your item may not look identical to the image provided."