Diamond Watchman Goby
Species: Valenciennea puellaris
Origin: Indo-Pacific
Family: Gobiidae
Overview:
The Diamond Watchman Goby, also known as the Orange-Spotted Sleeper Goby, Pretty Prawn Goby, or Maiden Goby, is a peaceful bottom-dwelling species well-regarded for its sand-sifting behavior and subtle beauty. It features a white body with bright orange markings along the head and sides, making it a visually attractive addition to reef and fish-only aquariums alike.
This species thrives in tanks of 30 gallons or more with a deep sand bed and plenty of live rock. It creates shallow burrows to rest and hide, which also helps oxygenate the substrate. The Diamond Goby is generally peaceful toward other tankmates but may become territorial with conspecifics unless introduced as a bonded pair.
Its natural feeding behavior involves sifting sand to extract small invertebrates and food particles. A varied carnivorous diet including mysis shrimp, brine shrimp, finely chopped seafood, and high-quality frozen or prepared carnivore foods should be offered multiple times per day for long-term health.
Care Details:
- Minimum Tank Size: 30 gallons
- Care Level: Easy
- Temperament: Peaceful
- Reef Compatible: Yes
- Diet: Carnivore (mysis, brine shrimp, blackworms, finely chopped seafood)
- Maximum Size: Up to 6 inches
Water Parameters:
- Temperature: 72 – 78°F
- pH: 8.1 – 8.4
- Salinity: 1.020 – 1.025
- dKH: 8 – 12
Available Sizes:
- Small (S): 1 – 2"
- Medium (M): 2 – 3"
- Large (L): 3 – 4"
- Extra Large (XL): 4 – 5"
Important Livestock Notices:
- This fish has not been quarantined.
- We recommend that all new fish are quarantined prior to introduction into your display system.
- Photos are for reference only — the fish you receive will not be the exact specimen pictured. Appearance may vary based on sex, maturity, region, and individual variation.
- All livestock must be drip-acclimated slowly to ensure a safe transition to your aquarium.
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
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Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
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If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.