Black Tang

Zebrasoma rostratum

(1 Reviews)

Black Tang
The Black Tang, also known as the Black Surgeonfish, stands out with its deep, velvety black color and striking white tail spine. This fish is not only visually impressive but also serves an important role in reef ecosystems by grazing on algae.

Black Tang

Zebrasoma rostratum

(1 Reviews)

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Black Tang Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 180 gallons
Max Size: 9 inches
The Black Tang, Zebrasoma rostratum, also known as the Black Sailfin Tang, Black Longnose Surgeonfish, or Black Longnose Tang, is one of the most rare and sought-after tang species in the aquarium trade. The Black Tang is entirely jet black with a singular diamond-shaped white dot just before its anal fin. Its sleek look, as well as unique black coloration, makes this one of the most visually stunning species of Tangs. It has the same general body shape as a Sailfin Tang and a characteristic long bottlenose.They should be housed in at least a 180 gallon tank and be the only tang. They should also be the last fish introduced into the tank.

Black Tang (Zebrasoma rostratum): A Practical Care Guide

The Black Tang, scientifically known as Zebrasoma rostratum, is an exquisite marine species that can make a captivating addition to your saltwater marine aquarium. This straightforward guide will provide essential information on caring for this striking fish, covering its habitat, compatibility, diet, care requirements, and more.

Habitat of the Black Tang

Black Tangs are native to the warm waters of the Indo-Pacific region, where they dwell in coral-rich reefs and rocky outcroppings. They are typically found at depths ranging from 3 to 65 feet (1 to 20 meters), foraging for algae, and small invertebrates among coral formations and rocky structures.

Reef Compatibility of the Black Tang

This species is generally considered reef-safe. Black Tangs primarily feed on algae, making them an excellent choice for reef aquariums, where they can help control algae growth. However, like all tangs, they may occasionally nip at certain corals, especially if their dietary needs are unmet.

Size and Lifespan of the Black Tang

Black Tangs typically reach a length of about 8 to 9 inches (20 to 23 cm) when fully grown. With proper care, they can have a lifespan of 10 to 15 years in captivity, offering many years of enjoyment for dedicated aquarists.

Diet in Captivity of the Black Tang

In their natural habitat, Black Tangs graze on various algae, detritus, and small invertebrates. In captivity, it's essential to replicate their natural grazing behavior. Provide them with high-quality marine algae sheets, seaweed, and a mix of marine pellets and frozen foods such as brine shrimp and mysis shrimp.

Aquaculture and Availability of the Black Tang

Black Tangs are unavailable through aquaculture, but is dedicated to providing hobbyists with responsibly sourced fish. Each Black Tang is healthy, acclimated, and ready to thrive in your aquarium.

Compatibility with Other Fish and Invertebrates of the Black Tang

Black Tangs are generally considered peaceful but can become territorial when introduced to an established community aquarium. When selecting tankmates, choose species that can coexist peacefully and are not overly territorial.

Sexual Dimorphism of the Black Tang

Sexual dimorphism in Black Tangs is minimal, and distinguishing between males and females based on visual characteristics can be challenging.

Juvenile to Adult Coloration Changes of the Black Tang

Juvenile Black Tangs have a striking appearance with a deep, dark brown to black body. As they mature into adults, their coloration deepens and develops a subtle golden hue on the outer margins of their dorsal and anal fins.

Temperament of the Black Tang

Black Tangs are known for their generally peaceful character. However, they may become territorial when introduced to an aquarium with limited space or when they feel their territory is threatened.

Tank Requirements of the Black Tang

To provide the best care for your Black Tang, maintain a tank with a minimum size of 180 gallons (680 liters). This ensures ample swimming space and helps reduce territorial conflicts. Water conditions should mimic their natural habitat, with a pH level between 8.1 and 8.4, a salinity level of 1.020-1.025, a stable temperature between 74-78°F (23-26°C), and moderate water flow to simulate ocean currents.

Common Names of the Black Tang

The Black Tang is also known as the Black Surgeonfish.

Compatible Tank Mates of the Black Tang

Here are five specific species that can make suitable tank mates for your Black Tang:

Why Choose the Black Tang from

When you acquire a Black Tang from, you invest in a visually striking addition to your saltwater marine aquarium. is committed to responsibly sourced fish, ensuring each Black Tang is healthy, acclimated, and ready to thrive in your aquarium. With their dedication to quality and a wealth of resources, makes it easy to enjoy the unique beauty of these tangs in your home aquarium.

The Black Tang (Zebrasoma rostratum) is captivating and peaceful in saltwater marine aquariums. With their striking dark coloration and graceful swimming, they can be a fascinating choice for both beginner and experienced aquarists looking to add a touch of elegance to their collection. By adhering to their specific requirements and providing a suitable environment, aquarists can witness the Black Tang's presence in their aquatic habitat.

Very lovely. I thought Black Tang and the damsels were fighting, but it looks like they will seek him out and he will seek them. They seem to play in a way the damsels never did with each other. He stays closer to the bottom and doesn't come up to compete for food. I didn't think he was eating but then I realized my cheto was all but gone. Hungry as a herbivore.

Reviewed by: Tim Sprott on Jan. 1, 2022

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