Blueline Tang

Bluelined Surgeonfish

Scientific Name: Acanthurus nigroris

Origin: Central Pacific (Hawaii and surrounding regions)

Small Fish Safe: Yes

Invert Safe: Yes

Coral Safe: Yes

Adult Size: Up to 22 cm

Diet: Herbivore – marine algae, nori, spirulina-based foods, and vegetable-rich frozen

Why We Like It:

Often confused with the Goldrim Tang, the Bluelined Surgeonfish features a dark body highlighted by electric blue edging and subtle facial markings. Active and constantly grazing, it thrives in mature reef systems with strong flow and plenty of swimming space. Hardy once established and full of movement, it’s a striking tang for larger marine aquariums.