Orangespot Prawn Goby Fish

Orangespot Prawn Goby Fish

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Orangespot Prawn Goby fish (Cryptocentrus lutheri), also known as the Spotted Prawn Goby or Orange Spotted Shrimp Goby, is a small and beautiful saltwater fish that belongs to the Gobiidae family. They are a popular choice among aquarium enthusiasts due to their stunning appearance and interesting behavior. However, like all fish, proper care is crucial to keep them healthy and happy.

Tank Size and Environment

Orangespot Prawn Gobies are relatively small fish, growing up to only 3 inches in length. Therefore, a small aquarium with a minimum capacity of 10-20 gallons should suffice for a pair. However, it's important to keep in mind that they require a specific environment to thrive.

These fish require a sandy substrate as they spend most of their time digging burrows. Live rock and corals can also be added to mimic their natural habitat, but ensure that they have ample space to swim and burrow. The tank should have good water flow, and the temperature should be between 75-82°F. It's essential to maintain the water quality, including pH, ammonia, and nitrate levels, by performing regular water changes.


Orangespot Prawn Goby fish are carnivores and primarily feed on small crustaceans, including copepods and amphipods. Therefore, it's crucial to provide them with a varied and high-protein diet. Live or frozen foods, such as brine shrimp, mysis shrimp, and bloodworms, are recommended.

Although they are not typically aggressive, these fish can be territorial towards their own species, especially during feeding. Ensure that each fish has ample space to feed and avoid overfeeding, as it can lead to poor water quality and health issues.

Behavior and Compatibility

Orangespot Prawn Goby fish are relatively peaceful and can be kept with other non-aggressive fish species. However, they are best kept in pairs or small groups of one male and multiple females. They are known to form symbiotic relationships with pistol shrimp, which can also be added to the tank.

It's crucial to provide plenty of hiding places and burrowing space, as these fish are burrowers by nature. They can become stressed if they do not have adequate space to dig and burrow. Therefore, it's essential to avoid overcrowding the tank.

Health and Disease

Orangespot Prawn Goby fish are generally hardy and not prone to diseases if provided with a suitable environment and a varied diet. However, they can be susceptible to common fish diseases, including bacterial, fungal, and parasitic infections.

It's essential to observe their behavior and look for any signs of illness, such as loss of appetite, lethargy, or abnormal swimming patterns. If any signs of illness are noticed, it's crucial to isolate the affected fish and treat them accordingly.

In conclusion, Orangespot Prawn Goby fish are a beautiful and fascinating addition to any aquarium. They require a suitable environment, a varied diet, and proper care to thrive. Providing them with adequate hiding places and burrowing space and keeping the water quality in check can help keep them healthy and happy.