Black Top Naso Tang – Naso lituratus


🔍 Key Identification Features:

  • Body Shape: Streamlined and elongated like most tangs.

  • Coloration:

    • Males: Feature a black cap or black top on the head, which gives rise to the name "black top."

    • Bright orange lips and orange highlights near the pectoral fins.

    • Two orange spines on either side of the tail base (defensive feature).

  • Size: Can grow up to 18 inches (45 cm) in the wild, usually smaller in aquariums.


🌍 Distribution & Habitat:

  • Found throughout the Indo-Pacific, including Hawaii, Japan, and the Great Barrier Reef.

  • Prefers reef slopes, drop-offs, and coastal lagoons.


🍃 Diet:

  • Primarily herbivorous, feeding on brown algae and marine plants.

  • In captivity: Likes nori, algae sheets, and vegetable-based flakes.


🧠 Behavior & Compatibility:

  • Generally peaceful, but males can be territorial, especially if kept with other surgeonfish.

  • Does best in large aquariums (at least 125 gallons) due to its active swimming needs.

8" Male