Atlantic Blue Tang Saltwater Fish

Atlantic Blue Tang (Acanthurus Coeruleus)

$72.44

The Atlantic Blue Tang (Acanthurus coeruleus) is renowned for its striking color transformation, shifting from a bright juvenile yellow to a vivid blue or deep purple adult coloration. As an active and graceful swimmer, this species thrives in marine aquariums with ample open swimming space.

A dedicated herbivore, it continuously grazes on marine algae to maintain a healthy ecosystem. Completely reef-safe, it will not harm corals, clams, or invertebrates, though it can display territorial behavior toward other tangs.

Key Features

Scientific Name	Acanthurus coeruleus
Common Name	Atlantic Blue Tang
Diet	Herbivore. Primarily feeds on marine algae.
Reef Safe	Yes
Max Size	25.4 cm
Lifespan	10+ years
Origin	Atlantic Ocean, Caribbean Sea
Shipping Size	3.8-7.6 cm
Temperament	Semi-aggressive (Territorial towards other tangs)

Highlights

Iconic Appearance: Its brilliant coloration and dramatic color transformation make it a true showpiece.
Excellent Algae Control: It tirelessly grazes on nuisance algae, helping to keep the tank clean and healthy.
Completely Reef-Safe: It won't harm corals, clams, or other invertebrates.
Adds Energy to the Tank: It adds a lot of energy and movement to a spacious aquarium.

Materials & care

Provide plenty of open swimming space and live rock for grazing. Feed a herbivorous diet rich in marine algae, nori, and vegetable-based marine foods.

Frequently asked questions

Is the Atlantic Blue Tang safe for reef aquariums?

Yes, it is completely reef-safe and will not harm corals, clams, or other invertebrates.

What is the primary diet of the Atlantic Blue Tang?

It is a herbivore that primarily grazes on marine algae, making it an effective clean-up crew member.

Does the coloration of the Atlantic Blue Tang change with age?

Yes, juveniles feature a bright solid yellow coloration before maturing into a vivid blue or deep purple.

How should this species be introduced to a community tank?

Because it can be territorial toward other tangs, it is generally best to introduce it to the aquarium last.

Important Fulfillment Information

Fish and corals ship Monday through Thursday. Not all fish are sexed. If so it will specify.

Once your order ships, you will receive an email with your tracking number. Refunds are always issued for any fish not shipped.

PlantedPlus operates as a collective of trusted freshwater and saltwater importers. This policy allows us to prioritize animal welfare while maintaining reliable service for our hobbyists.

Shipping Cost Disclosure

To help keep ordering live fish online affordable, Planted Plus subsidizes a portion of shipping costs. Because these costs are incurred regardless of order completion, shipping charges are non-refundable.