Striped Dottyback

Striped Dottyback
Latin name:
(Pseudochromis sankeyi)

Care Level





Black, 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

30 gallons


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The Striped Dottyback, scientifically known as Pseudochromis striatus, is a captivating fish species that has gained popularity among marine aquarium enthusiasts. With its vibrant colors and lively behavior, this fish can add a touch of beauty and excitement to any saltwater tank. In this comprehensive guide, we will delve into the fascinating world of the Striped Dottyback, exploring its unique characteristics, care requirements, and compatibility with other marine life.

Striped Dottyback: An Overview

The Striped Dottyback is a small, yet striking fish that typically reaches a maximum length of around 3 inches. Its body is adorned with vibrant blue and yellow stripes, making it a visual delight in any aquarium. This fish is native to the Indo-Pacific region, where it inhabits coral reefs and rocky coastlines. The Striped Dottyback is known for its active and playful behavior, often swimming in pairs or small groups.

Characteristics and Behavior

The Striped Dottyback is a relatively peaceful fish, but it can display territorial behavior towards other fish of the same species. It is important to provide ample space and hiding places in the aquarium to minimize aggression. This fish is an omnivore and will readily accept a variety of foods, including live, frozen, and prepared foods. The Striped Dottyback is also known for its jumping ability, so a tight-fitting lid is essential to prevent escapes.

Care Requirements for the Striped Dottyback

To ensure the well-being and longevity of the Striped Dottyback, it is crucial to provide suitable care conditions. Here are some essential factors to consider:

Tank Size and Setup

The Striped Dottyback requires a minimum tank size of 20 gallons. The tank should be equipped with a filtration system, heater, and live rock for hiding and grazing. A sand or fine gravel substrate is ideal for this fish, as it likes to sift through the sand in search of food.

Water Parameters

The Striped Dottyback thrives in saltwater conditions with a pH range of 8.1 to 8.4, a temperature range of 72°F to 78°F, and a specific gravity of 1.020 to 1.025. Regular water changes are essential to maintain water quality and prevent the buildup of harmful toxins.

Diet and Feeding

The Striped Dottyback is an omnivore and will readily accept a variety of foods. A balanced diet should include live, frozen, and prepared foods, such as brine shrimp, mysis shrimp, and flake food. It is important to feed the fish small amounts several times a day to prevent overfeeding.

Compatibility with Other Marine Life

The Striped Dottyback can be compatible with other peaceful fish species, but it is important to choose tankmates carefully. Avoid aggressive or territorial fish, as they may harass or injure the Striped Dottyback. Some suitable tankmates include damselfish, gobies, and wrasses.

Potential Problems and Solutions

The Striped Dottyback is generally a hardy fish, but it can be susceptible to certain health issues. Here are some common problems and their solutions:

  • Ich: This is a common parasitic infection that can cause white spots on the fish’s body. Treatment involves using copper-based medications or raising the tank temperature.
  • Marine Velvet: This is another parasitic infection that can cause a velvety appearance on the fish’s body. Treatment involves using formalin-based medications or raising the tank temperature.
  • Bacterial Infections: Bacterial infections can cause a variety of symptoms, such as fin rot, body sores, and lethargy. Treatment involves using antibiotics or antibacterial medications.

FAQs About the Striped Dottyback

Here are some frequently asked questions about the Striped Dottyback:

  1. Q: Is the Striped Dottyback a good fish for beginners?
    A: Yes, the Striped Dottyback is a relatively easy fish to care for, making it suitable for beginners. However, it is important to provide the fish with the proper care conditions to ensure its well-being.
  2. Q: How many Striped Dottybacks can I keep in a 20-gallon tank?
    A: It is best to keep only one Striped Dottyback in a 20-gallon tank, as this species can be territorial towards others of its kind.
  3. Q: What is the lifespan of a Striped Dottyback?
    A: The lifespan of a Striped Dottyback is typically around 5 to 8 years with proper care and maintenance.


The Striped Dottyback is a vibrant and captivating fish that can add a touch of beauty and excitement to any marine aquarium. With its active behavior and relatively easy care requirements, this fish is a great choice for both beginner and experienced aquarists. By providing the Striped Dottyback with the proper care and attention, you can ensure that this fish thrives and brings joy to your aquarium for years to come.