Bicolor Blenny (Ecsenius bicolor)
- Care Level: Easy
- Temperament: Peaceful
- Diet: Omnivore
- Reef Safe: Yes
- Minimum Tank Size: 20 gallons
- Max Size: 4 inches
- Water Parameters: pH 8.1-8.4, Salinity 1.020-1.025, Temperature 72-78°F
Comprehensive Guide to Bicolor Blenny (Ecsenius bicolor)
The Bicolor Blenny, the Two-colored Blenny, or the Royal Bicolor Blenny, is renowned for saltwater aquarium enthusiasts. Here is a detailed guide covering various aspects of this species:
The Bicolor Blenny is found in the Western Pacific Ocean, particularly around Indonesia and the Philippines. It inhabits coral reefs and rocky areas with plenty of hiding spots.
The Bicolor Blenny is considered reef-safe as it generally does not bother corals or other invertebrates. However, caution should be exercised when keeping it with small ornamental shrimps or other delicate invertebrates.
The Bicolor Blenny can grow up to 4 inches in length, making it a suitable choice for smaller saltwater aquariums.
This species is generally peaceful and can be kept with various tankmates. However, it may display territorial behavior towards other blennies or similar-looking fish.
There are no significant visual differences between male and female Bicolor Blennies.
With proper care, the Bicolor Blenny can live in captivity for up to 5 years.
Diet in Aquariums:
The Bicolor Blenny is an omnivore, and its diet should include a variety of foods. It will readily consume small meaty foods such as brine shrimp, mysis shrimp, and finely chopped seafood. It also benefits from having some algae or seaweed-based foods in its diet.
Providing plenty of live rock with crevices and caves will create an ideal environment for the Bicolor Blenny. It enjoys perching on rocks and observing its surroundings.
Captive Bred Availability:
The Bicolor Blenny is commonly available as captive-bred specimens, which are generally hardier and better acclimated to aquarium life than wild-caught individuals.
Compatibility with Tankmates:
The Bicolor Blenny is generally compatible with many tankmates, including peaceful community fish and invertebrates. Here are five specific tankmates that are good choices:
- Purple Firefish (Nemateleotris decora): Peaceful and adds vibrant color to the aquarium.
- Yellow Watchman Goby (Cryptocentrus cinctus): Forms a symbiotic relationship with pistol shrimps and adds interesting behavior to the tank.
- Green Chromis (Chromis viridis): Schooling fish that adds movement and liveliness to the aquarium.
- Scarlet Skunk Cleaner Shrimp (Lysmata amboinensis): Provides cleaning services to fish and adds a unique appearance.
- Blue Leg Hermit Crab (Clibanarius tricolor): Helps with algae control and adds activity to the aquarium floor.
Other Common Names:
The Bicolor Blenny is also known by the names Two-colored Blenny and Royal Bicolor Blenny.
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Popular Questions and Answers about Bicolor Blenny (Ecsenius bicolor) in Saltwater Aquariums:
Q: What is the ideal tank size for a Bicolor Blenny?
A: A minimum tank size of 20 gallons is recommended for a Bicolor Blenny.
Q: Can the Bicolor Blenny be kept in a reef aquarium?
A: Yes, the Bicolor Blenny is considered reef-safe and generally does not harm corals or other invertebrates.
Q: How long does the Bicolor Blenny typically live in captivity?
A: With proper care, the Bicolor Blenny can live for up to 5 years in a saltwater aquarium.
Q: What should I feed my Bicolor Blenny?
A: The diet of a Bicolor Blenny should include a variety of small meaty foods such as brine shrimp, mysis shrimp, and finely chopped seafood. It also benefits from having some algae or seaweed-based foods in its diet.
Q: Can the Bicolor Blenny be kept with other fish and invertebrates?
A: The Bicolor Blenny is generally compatible with a wide range of peaceful tankmates, including other fish and invertebrates. However, caution should be exercised when keeping it with small ornamental shrimps or delicate invertebrates.