The Fat Sleeper Goby is a large, hardy, and adaptable brackish-to-freshwater fish found in coastal streams, estuaries, and lagoons across the Americas. Known for its robust body and mottled pattern, it is a stealthy predator with a calm demeanor when housed with appropriate tankmates.
Water Parameters:
| 🏷️ Feature | 📋 Details |
|---|---|
| 🆔 Common Name | Fat Sleeper Goby |
| 🧬 Scientific Name | Dormitator maculatus |
| 🌍 Origin | Coastal Americas |
| 📏 Max Size | 24 inches (61 cm) |
| 🕊️ Temperament | Peaceful but predatory |
| 🛁 Tank Size | 125+ gallons |
| ⚗️ pH Range | 6.5–8.0 |
| 🌡️ Temperature | 68–82°F (20–28°C) |
| 🍽️ Diet | Carnivorous—shrimp, fish, worms, pellets |
| 🐠 Ideal For | Large freshwater/brackish aquariums |
The Fat Sleeper Goby (Dormitator maculatus) is a large, adaptable predator that thrives in both fresh and brackish environments. Its calm nature with similarly sized tankmates makes it a unique choice for large aquarium setups.











