Marine Fish

Blue Tang

A striking blue surgeonfish that becomes a large, active swimmer. Blue Tangs need a spacious, mature marine aquarium and should be treated as a long-term commitment.

Enquire for current availability Marine surgeonfish
Quick Information

Blue Tang at a Glance

Scientific nameParacanthurus hepatus
TypeMarine surgeonfish
Adult sizeUp to about 30 cm
LifespanPotentially 10+ years with excellent care
Temperature24–27 °C
pH8.1–8.4
DietHerbivore; marine algae/seaweed plus varied foods
Recommended setup180 gal / 680 L+; long swimming footprint strongly preferred
Marine setup requiredActive open-water swimmer requiring a large established marine aquarium
Experience levelBest for experienced marine aquarists

Colour, size, sex and current stock can vary. Please contact Fishes Hub before ordering so we can confirm the available fish and suitable marine setup.

Product Information

Know More About Blue Tang

A striking blue surgeonfish that becomes a large, active swimmer. Blue Tangs need a spacious, mature marine aquarium and should be treated as a long-term commitment.

Blue Tang should only be introduced to a mature, fully cycled marine aquarium. Adult size, temperament, feeding behaviour and compatibility should be considered before purchase.

If you are unsure whether this species suits your current aquarium, share your tank size, livestock and setup with Fishes Hub and ask us to confirm suitability before ordering.

Plan the aquarium around adult size, marine water chemistry, behaviour, feeding needs and compatibility.

Make a Confident Choice

A successful Blue Tang setup starts with a mature marine aquarium, stable water quality and a realistic long-term plan for the species.

Marine Facts
Up to about 30 cmAdult size
24–27 °CTemperature
8.1–8.4pH
Moderate–AdvancedCare level
01

Key Requirements

  • Provide a large established aquarium with extensive open swimming space and stable marine water chemistry.
  • Offer marine algae/seaweed regularly alongside a varied diet.
  • Maintain strong biological filtration and excellent oxygenation.
  • Quarantine and acclimate carefully, and monitor for stress or disease.
02

Care & Maintenance

  • Feed algae-based foods regularly and vary the diet appropriately.
  • Keep water quality stable with routine testing and maintenance.
  • Inspect fins, skin and appetite regularly because active surgeonfish can show stress quickly.
03

Compatibility & Placement

  • Can be peaceful with many suitable marine fish but may become territorial toward tangs/surgeonfish.
  • Avoid undersized tanks and cramped rockwork.
  • Use a secure lid and provide uninterrupted swimming lanes.
04

Why Choose Blue Tang?

  • Iconic blue coloration
  • Active display fish
  • Excellent centerpiece for a large marine system
05

Before You Buy

  • Confirm you can provide a very large, established aquarium.
  • Plan adult size, filtration and swimming space before purchase.
  • Ask Fishes Hub to confirm compatibility with your existing livestock.

Need Help Choosing?

Let’s Find the Right Blue Tang for You.

Ask us about current size, availability, compatibility and the right marine aquarium setup for your Blue Tang.