Flame Fin (Tomini) Tang

Ctenocheatus tominiensis


(7 Reviews)

Flame Fin (Tomini) Tang

Flame Fin (Tomini) Tang

Ctenocheatus tominiensis


(7 Reviews)

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Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 120 gallons
Max Size: 6 inches

The Tomini Tang is commonly referred to as the bristletooth tomini tang, or Tomini Surgeonfish. As a juvenile, the Tomini Tang features yellow, blue, and white highlights, and as it matures the body color changes. It should be kept in a tank with plenty of swimming room. The Tomini Tang is moderately easy to care for, and is considered reef safe that can be housed with corals and small invertebrates like sexy shrimp.  It is considered an excellent scavenger that is reef tank friendly, and is considered a prototypical janitors in your tank. The Tomini Tang is a peaceful fish but can be a bully to species that are introduced after it.



Flame Fin Tomini Tang (Ctenochaetus tominiensis) Aquarium Care Guide

Habitat of the Flame Fin Tomini Tang:

The Flame Fin Tomini Tang originates from the Western Pacific Ocean and is often found in areas with strong water flow, such as reef slopes and outer reef edges. In the wild, these fish graze on algae growing on rocks and coral structures. Understanding and replicating their natural habitat in captivity is crucial for their well-being.

Reef Compatibility of the Flame Fin Tomini Tang:

The Flame Fin Tomini Tang is considered reef safe. They are herbivores, primarily feeding on various types of algae. In a well-established reef aquarium, these tangs can contribute to controlling and preventing the overgrowth of unwanted algae. It's essential to ensure that your reef tank has enough algae for them to graze on.

Size and Lifespan of the Flame Fin Tomini Tang:

Flame Fin Tomini Tangs generally reach a size of about 5-6 inches (12-15 cm) when fully grown. They can live for 5-7 years with proper care, offering long-term enjoyment in your saltwater aquarium.

Diet in Captivity for the Flame Fin Tomini Tang:

Providing a balanced diet that resembles the Flame Fin Tomini Tang's natural feeding habits is essential in captivity. This should include high-quality marine flake or pellet food supplemented with fresh or dried seaweed, spirulina flakes, and occasional live algae when available. A diverse diet ensures they receive the essential nutrients and vibrant coloration for their health.

Aquaculture and Availability of the Flame Fin Tomini Tang:

Aquaculture of the Flame Fin Tomini Tang is uncommon; most of these tangs are still wild-caught. To minimize the stress of transitioning to captivity, sourcing your fish from reputable suppliers such as Saltwaterfish.com is recommended.

Compatibility with Other Fish and Invertebrates for the Flame Fin Tomini Tang:

Flame Fin Tomini Tangs usually exhibit a peaceful temperament. They can coexist well with various fish and invertebrates in a community tank. However, providing enough swimming space and hiding spots is essential to minimize territorial conflicts, which can occasionally occur with other tangs or similar species.

Sexual Dimorphism in the Flame Fin Tomini Tang:

Flame Fin Tomini Tangs do not display sexual dimorphism, meaning that males and females share similar physical characteristics and coloration.

Juvenile to Adult Coloration Changes in the Flame Fin Tomini Tang:

Juvenile Flame Fin Tomini Tangs possess vibrant coloration with a bright orange or reddish body and a striking white or yellow stripe along their dorsal fin. As they mature into adults, the intensity of these colors may become more subdued, but their fin coloration typically remains vibrant.

Temperament of the Flame Fin Tomini Tang:

Flame Fin Tomini Tangs are known for their peaceful temperament, rarely displaying aggressive behavior toward tank mates. This makes them suitable for community tanks with various species, provided each fish has enough space and hiding spots.

Tank Requirements for the Flame Fin Tomini Tang:

To ensure the well-being of your Flame Fin Tomini Tang, maintain a tank size of at least 120 gallons (approximately 400 liters). This size allows for ample swimming space and enables the fish to exhibit its natural behaviors. Maintaining stable water conditions with a pH level between 8.1 and 8.4, a salinity level of 1.020-1.025, and a consistent temperature range of 74-82°F (23-28°C) is crucial. Adequate water flow, a protein skimmer, and regular water changes will help maintain water quality.

Common Names of the Flame Fin Tomini Tang:

The Flame Fin Tomini Tang is known by other common names, including the Flame Fin Tang and Tomini Bristletooth Tang.

Compatible Tank Mates With the Flame Fin Tomini Tang:

When selecting tank mates for your Flame Fin Tomini Tang, consider these five specific species that are less likely to provoke territorial disputes:

Why Choose the Flame Fin Tomini Tang from Saltwaterfish.com:

The Flame Fin Tomini Tang is a stunning and peaceful addition to your marine aquarium. When acquiring this species, choosing a reputable source, such as Saltwaterfish.com, is essential. This ensures that your fish is well-acclimated to captivity, reducing stress and increasing its chances of thriving in your marine aquarium.

The Flame Fin Tomini Tang is a captivating and peaceful herbivore, making it an excellent choice for a reef tank. By providing a well-maintained aquarium, a balanced diet, and suitable tank mates, you can enjoy the beauty of this species while contributing to the well-being of your aquatic ecosystem. Choose Saltwaterfish.com as your trusted source for the Flame Fin Tomini Tang, and take the first step toward enhancing the visual appeal of your saltwater marine aquarium.

Beautiful fish.


Reviewed by: Douglas Chadwick on Dec. 24, 2023


Reviewed by: Allan Rudolph on Dec. 12, 2023

Very active. Nips at everything in my quarantine tank, except the nori I put in.


Reviewed by: Christopher Reason on Oct. 25, 2023

This is the second one I’ve purchased. The first one died in quarantine within the first week. This one has an infect that I’m treating and he’s eating well and I’m hoping for the best. He is a beautiful fish!


Reviewed by: Jim Minor on Sept. 24, 2023

Arrived in great condition. Very healthy and living up to its purpose of eating algae and other foods.


Reviewed by: Donald Didonato on Aug. 30, 2023

Tang came in great shape and is a very nice addition to my reef. Very healthy fish.


Reviewed by: Nicole on Sept. 2, 2018


Reviewed by: Jerry Alderson on Oct. 21, 2014

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