Two Stripe Damselfish

Two Stripe Damselfish
Latin name:
(Dascyllus reticulatus)

Care Level





Black, Green, 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


Highest Rated Food
Highest Rated Coloring Enhancing Fish Food
Fluval Bug Bites Color Enhancing Fish Food
Insect Larvae & Salmon Recipe Fish Food
The Fluval Bug Bites Color Enhancing Fish Food for Tropical Fish is a highly rated product. The granules are designed to enhance the color of tropical fish, and many customers have noticed a significant improvement in the vibrancy of their fish’s colors. The food is made with high-quality ingredients and is easily digestible for the fish. Superior in terms of color enhancement. #1 Recommended Fish Food

Are you looking for a vibrant and captivating fish to add to your marine aquarium? Look no further than the Two Stripe Damselfish! This small but feisty fish is a popular choice among aquarists due to its striking appearance and lively personality. In this comprehensive guide, we’ll delve into the fascinating world of the Two Stripe Damselfish, covering its behavior, diet, tank requirements, and compatibility with other species.

Two Stripe Damselfish: An Overview

The Two Stripe Damselfish, scientifically known as Dascyllus aruanus, is a member of the Pomacentridae family. It’s native to the tropical waters of the Indo-Pacific region, inhabiting coral reefs and rocky coastlines. This small fish typically grows to a maximum length of 3 inches, making it a suitable choice for nano and small marine aquariums.

Behavior and Temperament

The Two Stripe Damselfish is known for its bold and active behavior. It’s a territorial fish that establishes and defends its own territory within the aquarium. Males are particularly aggressive towards other males, often engaging in territorial disputes. However, they are generally peaceful towards other non-aggressive fish species.

These fish are also known for their playful and inquisitive nature. They often swim around the aquarium, exploring their surroundings and interacting with other tank mates. Their lively behavior makes them a joy to watch, adding a dynamic element to your marine aquarium.

Diet and Feeding

The Two Stripe Damselfish is an omnivorous fish with a varied diet. In the wild, they feed on a variety of small invertebrates, algae, and zooplankton. In captivity, they can be fed a diet consisting of high-quality marine fish food, such as flakes, pellets, and frozen or live foods. It’s important to provide a varied diet to ensure that they receive all the necessary nutrients for optimal health.

When feeding the Two Stripe Damselfish, it’s best to offer small amounts of food several times a day rather than one large meal. This helps to prevent overfeeding and maintain good water quality.

Tank Requirements

The Two Stripe Damselfish requires a well-established marine aquarium with stable water parameters. Here are the ideal tank requirements for this fish:

  • Tank Size: A minimum tank size of 10 gallons is recommended for a single Two Stripe Damselfish. However, a larger tank is preferred to provide more swimming space and reduce territorial aggression.
  • Water Parameters: The ideal water parameters for the Two Stripe Damselfish are a temperature range of 72-78°F, a pH of 8.1-8.4, and a specific gravity of 1.020-1.025.
  • Filtration and Water Quality: A powerful filtration system is essential to maintain excellent water quality. Regular water changes are also necessary to remove nitrates and other harmful substances from the water.
  • Lighting: The Two Stripe Damselfish prefers moderate lighting. Avoid intense lighting, as it can stress the fish.
  • Decorations: Provide plenty of live rock and hiding places for the Two Stripe Damselfish to establish its territory and feel secure.

Compatibility with Other Species

The Two Stripe Damselfish can be compatible with other peaceful and non-aggressive fish species. However, it’s important to choose tank mates carefully to avoid potential conflicts. Some suitable tank mates for the Two Stripe Damselfish include:

  • Clownfish
  • Gobies
  • Blennies
  • Firefish
  • Wrasses

It’s important to avoid keeping the Two Stripe Damselfish with aggressive or territorial fish species, as this can lead to bullying and stress.


The Two Stripe Damselfish is a captivating and vibrant fish that can add life and color to your marine aquarium. With its bold behavior, playful nature, and relatively easy care requirements, it’s a popular choice among aquarists of all levels. By providing the appropriate tank setup, diet, and compatible tank mates, you can ensure that your Two Stripe Damselfish thrives and brings joy to your aquarium for years to come.

FAQs for Affiliate Marketers

  1. What are some key questions to ask when promoting the Two Stripe Damselfish to potential customers?
  2. What are some of the challenges that affiliate marketers may face when promoting the Two Stripe Damselfish?
  3. What are some of the opportunities for affiliate marketers who successfully promote the Two Stripe Damselfish?
  1. Answers:
  2. Answers:
  3. Answers: