Melichthys niger, commonly known as the Black Triggerfish, is a popular choice for marine aquarium enthusiasts seeking a bold and active fish. This species is known for its deep black to dark grey body with subtle blue highlights, providing a striking contrast in well-maintained reef or fish-only systems.
Care Level: Moderate to advanced. The Black Triggerfish requires stable water parameters and a spacious tank due to its active swimming behaviour and territorial nature.
Temperament and Compatibility: Melichthys niger is semi-aggressive and can be territorial, especially in confined spaces. It is best housed with other robust fish species and should not be kept with very small or timid tankmates. Avoid housing with invertebrates such as shrimps or small crabs, as it may prey on them.
Diet: An omnivorous diet is recommended, including a variety of meaty foods such as mysis shrimp, brine shrimp, and chopped seafood, supplemented with marine algae or spirulina to ensure balanced nutrition.
Minimum Tank Size: A minimum of 180 litres (approximately 50 gallons) is advised to provide ample swimming space and reduce territorial aggression.
Lighting and Water Flow: Standard reef aquarium lighting is suitable. Moderate water flow mimicking natural reef currents will help maintain fish health and comfort.
Placement: Provide plenty of rockwork and hiding places to allow the fish to establish territories and feel secure.
Origin: Not Provided.
Maximum Size: Typically grows up to 30 cm (12 inches) in captivity.
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