Naso lituratus 7-9 cm

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Naso lituratus: the orange-spined unicornfish, a majestic surgeonfish for large tanks

The Naso lituratus, also known as the orange-spined unicornfish, is a large surgeonfish native to the Pacific reefs. It is distinguished by its elongated and elegant silhouette, as well as a characteristic frontal hump visible in adult individuals. This impressive fish can grow up to 45 cm as an adult.

Its silvery grey body is highlighted with striking details: a delicate yellow band at eye level, a black dorsal fin, an orange anal fin, and a white tail with two bright orange caudal scalpels. This contrast of colors and natural presence makes it a highly sought-after species in large-volume reef aquariums.

A gregarious and adaptive behavior

In its natural habitat, the Naso lituratus lives near the bottom or mid-depth, often in small groups. In captivity, it is preferable to introduce it young into a community environment to develop tolerant behaviors towards other species. When well-acclimated, it is a calm, curious, and non-aggressive fish.

However, it is not advisable to keep it with small fish introduced later, as it might consider them prey, especially if it has not been accustomed to cohabitation from the start.

An essential spacious and stable environment

Due to its size and vitality, the orange-spined unicornfish requires a marine aquarium with a minimum volume of 1000 liters. A large swimming space, effective oxygenation, and moderate to strong water movement are essential for its well-being.

The setup should include rocky areas, a sandy bottom, and open areas for swimming in open water. This fish appreciates a stable system and thrives in a well-established tank.

A primarily herbivorous diet

The Naso lituratus follows a predominantly herbivorous diet, with an occasional zooplanktivore tendency. In an aquarium, it should receive:

• Nori algae several times a week, attached on a clip or stone.
• Vegetable pellets and flakes enriched with spirulina.
• Occasional supplements of krill, brine shrimp, or mysis, especially useful during growth periods.

A well-measured daily feeding supports its immune system, maintains its natural glow, and strengthens its defenses against stress.

A prestigious fish for experienced aquarists

The Naso lituratus is an exceptional fish due to its aesthetics and behavior. Its elegant silhouette, contrasting colors, and smooth swimming make it a majestic inhabitant for very large aquariums. It brings dynamism, utility, and presence to any well-designed reef tank.

For experienced aquarists with a spacious, stable, and well-populated aquarium, the orange-spined unicornfish is a flagship species, both useful in the fight against algae and particularly decorative.