The Gramma dejongi is a small, brightly coloured basslet native to the Caribbean Sea. It is prized in the marine aquarium hobby for its vivid purple and yellow coloration and peaceful temperament. This species is well-suited to reef tanks and community setups with other non-aggressive fish.
Care Level: Easy to moderate. This species adapts well to captive conditions but benefits from stable water parameters and a well-established tank.
Temperament: Generally peaceful and shy, making it compatible with a variety of other peaceful marine fish. Avoid housing with large aggressive species.
Diet: Carnivorous. Feed a varied diet including high-quality frozen or live foods such as mysis shrimp, brine shrimp, and specialised marine pellets or flakes.
Minimum Tank Size: 75 litres (20 gallons) recommended to provide adequate swimming space and territory.
Lighting Requirements: Standard aquarium lighting is sufficient. No special lighting needs.
Water Flow: Moderate water flow preferred to mimic natural reef conditions.
Placement: Provide plenty of live rock with caves and crevices for hiding. This fish appreciates secure shelter to reduce stress.
Origin: Caribbean Sea.
Maximum Size: Approximately 6 cm (2.4 inches).
Reef Safe: Yes, generally safe with corals and invertebrates.
This small basslet is a fantastic addition to a peaceful reef aquarium, offering vibrant colour and interesting behaviour. Regular water changes and stable water chemistry will ensure long-term health and vibrancy.



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