Bicolor Blenny - Eastern Asia

Ecsenius bicolor

(0 Reviews)

Bicolor Blenny - Eastern Asia

Bicolor Blenny - Eastern Asia

Ecsenius bicolor

(0 Reviews)

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Bicolor Blenny - Eastern Asia Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Herbivore
Reef Safe: Yes
Minimum Tank Size: 30 gallons
Max Size: 4 inches
The Bicolor Blenny, Ecsenius bicolor, has a bisecting color pattern with the front half being a blue to pale brown color and the back half is orange/yellow. They are hardy and can be housed with other peaceful fish in a reef tank setting, but may become territorial towards other blennies, gobies or dartfish in smaller tanks.

This blenny will stay mainly towards the bottom of the tank, searching for algae to graze on in between meals. Diet should include a variety of spirulina, marine algae, and seaweed and algae based foods 2-3 times daily.

Bicolor Blenny (Ecsenius bicolor): A Comprehensive Description for Saltwater Marine Aquariums

Habitat of the Bicolor Blenny

Native to the Western Pacific Ocean, the Bicolor Blenny is commonly found in coral reefs, rocky areas, and lagoons, preferring environments with plenty of crevices and hiding spots among live rock.

Is the Bicolor Blenny Reef Safe?

The Bicolor Blenny is generally considered reef safe, as it doesn't threaten corals or other invertebrates within the aquarium. However, it's essential to ensure no aggressive tank mates might harass the blenny.

Size of the Bicolor Blenny

With a size ranging from 3 to 4 inches (7.5 to 10 cm), the Bicolor Blenny is a relatively small species, making it suitable for a range of aquarium sizes.

How Long Does the Bicolor Blenny Live?

Under proper care, Bicolor Blennies can live for approximately 2 to 4 years, providing aquarists with an engaging and relatively long-lasting marine inhabitant.

What To Feed the Bicolor Blenny?

Bicolor Blennies are omnivorous, requiring a diet that includes high-quality marine flakes, pellets, and small meaty foods such as brine shrimp and mysis shrimp. A varied diet helps maintain their health and vitality.

Aquaculture Availability of the Bicolor Blenny

Aquacultured Bicolor Blennies are occasionally available in the hobbyist market, reflecting the advancements in captive breeding and sustainable marine practices. Absent aquacultured specimens, choose wild-caught from a responsible supplier.

Compatibility of the Bicolor Blenny

Bicolor Blennies have a peaceful temperament and can coexist with various tank mates, especially those that are not aggressive or territorial.

Personality of the Bicolor Blenny

Known for their amusing and active behavior, Bicolor Blennies are entertaining to observe as they dart in and out of crevices and explore their environment.

Suitable Tank Mates for the Bicolor Blenny

  • Firefish Goby (Nemateleotris magnifica): A non-aggressive species that adds movement and visual interest to the tank.
  • Yellowtail Damsel (Chrysiptera parasema): A hardy and colorful fish that generally gets along with Bicolor Blennies.
  • Cleaner Shrimp (Lysmata amboinensis): Known for their cleaning behavior, these shrimp can coexist with the blenny.
  • Royal Gramma (Gramma loreto): A peaceful fish occupying a different aquarium level, complementing the blenny's habits.
  • Coral Banded Shrimp (Stenopus hispidus): A compatible shrimp species that adds diversity to the tank.

It's important to note that the compatibility of tankmates can vary based on individual fish personalities, tank size, and the specific setup. Before introducing any new fish to your aquarium, thorough research and careful observation are essential to ensure the well-being of all inhabitants. Additionally, providing plenty of hiding spots, creating a diverse environment, and closely monitoring interactions can help reduce potential conflicts among tankmates.

Tank Requirements for the Bicolor Blenny

Minimum Aquarium Size: A tank with a capacity of 30 gallons or more is suitable for housing a Bicolor Blenny.

Aquascaping: Provide ample live rock with crevices and hiding spots to mimic their natural habitat and offer exploration opportunities.

Ideal Water Conditions for the Bicolor Blenny

  • pH: Maintain the pH level between 8.1 and 8.4.
  • Salinity: Keep the salinity within the range of 1.023 to 1.025.
  • Water Temperature: The recommended temperature range is 72°F to 78°F (22°C to 26°C).
  • Water Flow: A gentle to moderate water flow is preferable, simulating their native environment.

Other Common Names for the Bicolor Blenny

The Bicolor Blenny might also be known as the Two-colored Blenny.

Why Choose Bicolor Blennies from

When selecting Bicolor Blennies from, you choose an engaging and visually appealing addition to your saltwater marine aquarium. Our commitment to sourcing healthy and responsibly collected specimens ensures you receive vibrant and well-adapted fish for your aquatic environment. With our extensive experience and dedication to marine life, is a trustworthy source for enthusiasts seeking quality marine species.

The Bicolor Blenny's distinct attributes and compatibility make it a valuable choice for your saltwater marine aquarium. By adhering to their specific care requirements and creating an environment that caters to their needs, you can enjoy the activity and visual interest this captivating marine inhabitant brings to your tank.

Arrived healthy and are doing well

Reviewed by: Autumn Mello on May 21, 2024

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