Orange Line Chromis

Orange Line Chromis
Latin name:
(Acanthochromis polyacanthus)

Care Level





Blue, Orange, Tan, White



Preferred Conditions

sg 1.020-1.025, 72-78° F, dKH 8-12, pH 8.1-8.4

Avg. Max Size


Minimum Tank Size


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Have you ever been captivated by the vibrant hues of a tropical reef? Imagine bringing a piece of that underwater world into your home with the Orange Line Chromis, a stunning fish that will add a splash of color and life to your marine aquarium.

Orange Line Chromis: A Profile

The Orange Line Chromis, scientifically known as Chromis viridis, is a small yet striking fish belonging to the family Pomacentridae. These fish are native to the tropical waters of the Indo-Pacific region, inhabiting coral reefs and rocky coastlines.

Characteristics and Behavior

Orange Line Chromis are characterized by their vibrant coloration. Their bodies are adorned with a bright orange stripe that runs from their snout to their tail, contrasting beautifully with their blue-green body. These fish are relatively small, typically reaching a maximum length of 3 inches. They are active and playful, often swimming in small groups or pairs.

Habitat and Diet

In their natural habitat, Orange Line Chromis inhabit coral reefs and rocky coastlines, where they find shelter and food. They are omnivorous feeders, consuming a variety of small invertebrates, zooplankton, and algae. In captivity, they can be fed a diet of high-quality marine fish food, including flakes, pellets, and frozen or live food.

Care Requirements for Orange Line Chromis

To ensure the well-being of your Orange Line Chromis, it’s essential to provide them with a suitable environment and proper care.

Tank Size and Setup

Orange Line Chromis require a minimum tank size of 30 gallons, although a larger tank is always better. The tank should be equipped with a filtration system, heater, and live rock for shelter and grazing. A regular water change schedule is necessary to maintain good water quality.

Water Parameters

Orange Line Chromis prefer water temperatures between 72-78°F (22-26°C), a pH of 8.1-8.4, and a specific gravity of 1.020-1.025. Regular testing and adjustments are crucial to ensure optimal water conditions.

Compatibility and Temperament

Orange Line Chromis are generally peaceful fish, but they can be territorial towards their own species. It’s best to keep them in small groups or pairs to avoid aggression. They are compatible with other peaceful fish, such as clownfish, damselfish, and gobies.

FAQs About Orange Line Chromis

Here are some frequently asked questions about Orange Line Chromis:

  1. Q: How many Orange Line Chromis can I keep in a 30-gallon tank?

    A: It’s best to keep a small group of 3-4 Orange Line Chromis in a 30-gallon tank to avoid overcrowding and aggression.
  2. Q: What type of food should I feed my Orange Line Chromis?

    A: Orange Line Chromis are omnivorous and can be fed a variety of high-quality marine fish food, including flakes, pellets, and frozen or live food.
  3. Q: How often should I clean my Orange Line Chromis’ tank?

    A: Regular water changes are essential for maintaining good water quality. Aim to change 10-15% of the tank water every two weeks.


The Orange Line Chromis is a captivating fish that adds a vibrant touch to marine aquariums. With proper care and maintenance, these fish can thrive and bring joy to aquarium enthusiasts for years to come. Whether you’re a seasoned aquarist or just starting out, the Orange Line Chromis is an excellent choice for adding color and life to your underwater world.