The Arothron nigropunctatus (Yellow Phase) is a visually stunning pufferfish species prized for its vibrant yellow colouring and distinctive black spots. This large marine fish is a captivating addition to mature reef or fish-only aquariums, offering both personality and colour.
Care Level: Moderate to advanced. This species requires a well-established aquarium with stable water parameters and ample space.
Temperament: Generally peaceful but can be territorial. Best kept singly or with robust tankmates that are not small enough to be considered prey.
Diet: Omnivorous. Requires a varied diet including hard-shelled foods such as molluscs and crustaceans to help wear down their continuously growing teeth, alongside meaty marine fare and quality frozen or prepared foods.
Minimum Tank Size: 250 litres (approximately 65 gallons) or larger to accommodate their active swimming and territorial behaviour.
Reef Safety: With Caution. May nip at corals and invertebrates, so not recommended for sensitive reef tanks.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow are suitable. Avoid strong currents that may stress the fish.
Placement: Provide plenty of hiding spots with live rock formations and open swimming areas. Ensure the tank is securely covered as puffers are known jumpers.
Origin: Indo-Pacific region.
Maximum Size: Up to 50 cm (20 inches) in length.
This large Yellow Phase Arothron nigropunctatus is a rewarding species for dedicated marine aquarists who can meet its husbandry needs. Its bold appearance and engaging behaviour make it a standout specimen in any suitable marine setup.



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