Koumansetta rainfordi, commonly referred to as the Court Jester Goby, is a captivating addition to any marine aquarium. Known for its distinctive yellow and white body with black markings, this goby is both visually striking and peaceful in temperament.
Care Level: Moderate. Koumansetta rainfordi requires stable water parameters and a well-established tank.
Temperament and Compatibility: This species is peaceful and generally compatible with other non-aggressive fish. It is suitable for reef tanks and coexists well with invertebrates and corals.
Diet: Omnivorous. Feed a varied diet including high-quality frozen or live foods such as brine shrimp, mysis shrimp, and finely chopped seafood, supplemented with quality marine flakes or pellets.
Minimum Tank Size: A minimum of 75 litres (20 gallons) is recommended to provide adequate swimming space and territory.
Lighting and Water Flow: Moderate lighting and gentle to moderate water flow best replicate its natural environment.
Placement: Provide plenty of live rock with crevices for hiding and resting. This goby often perches on rocks and sand beds.
Origin: Indo-Pacific region.
Maximum Size: Approximately 8 cm (3 inches).
With its peaceful nature and striking appearance, Koumansetta rainfordi is an excellent choice for hobbyists seeking a unique and active goby for their marine aquarium.


