maroon tomato clownfish

Unique Maroon Tomato Clownfish: A Rare Ocean Treasure

By Melissa HarrisMarch 18, 2026

The maroon tomato clownfish, or Amphiprion fuscocinctus, is a captivating species of clownfish native to the Indian Ocean and the western Pacific. Known for its vibrant coloration and striking Patterns, this fish has garnered significant popularity in both marine science and the aquarium hobby.

Clownfish are renowned for their symbiotic relationship with sea anemones, but not all species are created equal. The maroon tomato clownfish offers a unique charm, with its distinctive coloration and pattern leading many aquarists to choose it over other clownfish species.

Appearance and Behavior

As its common name suggests, the maroon tomato clownfish possesses a base color of deep maroon, which transitions to a lighter orange or red towards its ventral side. The fish's участь black fins provide a striking contrast to its vivid body color, and white stripes or patches on the waist or back mark individual specimens.

a red and white clown fish in an aquarium

an orange and white fish swimming in the water

Maroon tomato clownfish exhibit a typical clownfish behavior, characterized by their active and social nature. They are known to engage in hierarchical behaviors, including schooling and Tobias, and commonly form pairs in the wild. In captivity, they can be housed in groups or pairs, depending on the aquarium's size and population.

Anemone Association

The maroon tomato clownfish is known to inhabit several species of anemones, including the giant carpet anemone (Stichodactyla gigantea) and the nominate sea anemone (Heteractis magnifica). They typically settle in the anemone's coenosarc, where they feed and reproduce, benefiting from the anemone's protection against predators.

Gold Stripe Maroon (Premnas biaculeatus)

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an orange and white clown fish swimming in the water

Like other clownfish, the maroon tomato clownfish possesses a toxic slime coat that renders it virtually immune to the stinging cells (nematocysts) of its host anemone. However, they can still be stung when first encountering a new anemone, especially if the anemone is not a known host species.

Size and Lifespan

The maroon tomato clownfish is a relatively small species, reaching a maximum length of around 4.7 inches (12 cm) in the wild, although captive specimens tend to grow slightly larger. Despite their small size, these fish are known for their hardiness and adaptability in aquarium settings.

In the wild, the lifespan of the maroon tomato clownfish is believed to be around 5 years, although captive specimens can potentially live longer with proper care. Their lifespan can be influenced by factors such as water quality, diet, and the presence of compatible tank mates.

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an orange and yellow clown fish swimming in the water near some corals with other sea life around it

an orange and white clown fish swimming in the water next to some rocks, sand and gravel

a red and white clown fish swimming in an aquarium with blue water around it's edges

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Aquarium Care and Compatibility

Caring for maroon tomato clownfish in a home aquarium requires a keen understanding of their natural habitat and symbiotic relationship with anemones. To provide the optimal environment for these fish, hobbyists should replicate the conditions found in their natural tropical waters.

Aquariums should be spacious, well-decorated with live rock or tangles, and equipped with a suitable anemone host. Water parameters should be maintained within the following ranges: temperature between 77-86°F (25-30°C), pH between 8.1 and 8.4, and salinity at specific gravity 35 ppt.

Aquarium Setup

When setting up a maroon tomato clownfish aquarium, it's essential to acquire a suitable host anemone and provide ample living space. A rule of thumb is to allocate at least 30 gallons (113 liters) of tank space for every clownfish added to the aquarium. Proper lighting, water circulation, and regular maintenance are also crucial for maintaining a healthy environment.

an orange and white fish with spots on it's body in the water next to plants

To facilitate the establishment of their symbiotic relationship, it's recommended to introduce the anemone to the tank before adding the clownfish. This gives the anemone time to attach itself to the substrate and acclimate to the tank's conditions, increasing the likelihood of successful clownfish-anemone symbiosis.

Feeding and Tank Mates

Maroon tomato clownfish are primarily carnivorous, feeding on a diet of small invertebrates, algae, and plankton in the wild. In the aquarium, they can be fed a variety of foods, including brine shrimp, frozen mysis, and formulated clownfish diets. Regular feeding twice a day, with an appropriate amount of food, should be sufficient to keep these fish well-fed and healthy.

In terms of tank mates, maroon tomato clownfish are generally peaceful and can be kept with a variety of tank inhabitants. They are known to engage in hierarchal behaviors with other clownfish species and may exhibit aggression towards larger, aggressive fish. Ideally, they should be housed with other peaceful fish, invertebrates, and compatible corals, creating a thriving and diverse marine ecosystem.

As our understanding of the maroon tomato clownfish continues to evolve, so too does our ability to care for these captivating creatures in captive settings. With proper research, patience, and dedication, aquarists can offer these unique fish the ideal environment they deserve, contributing to the preservation and appreciation of these remarkable species.