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Bicolor Blenny
Bicolor Blenny
Origin
Indo-Pacific
Habitat Size
50-150 Liters
Water Type
Salt Water
Water Temperature
24º-28ºC
Cost in India
₹80 - ₹150
Size
3 - 4 inches (Small)
Diet
Herbivore
by Happy Pet TeamUpdated on 11 Nov 2025
Bicolor Blenny (Ecsenius Bicolor) Introduction
The Bicolor Benny fish is also commonly known as the Two-Colored or Flame Tail Blenny. It is a charismatic marine fish loved by the aquarists. The Benny Fish is native to the Indo-Pacific Ocean. The term ‘Bicolor’ comes from vivid dichromatic colouration where the front half of the body is blueish in nature, and the back half shifts to dull orange.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large
Two-Colored Blenny Fish Habitat
Initial Setup Cost
₹4,000 - ₹12,000
Water Temperature
24º -28ºC
Water Type
Salt Water
PH Level
8.1 - 8.4
Bicolor Blenny can thrive when the following living/ habitat conditions are met.
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Decor
Bicolor Blenny Dietary Needs
Avg Monthly Expenses
₹80 - ₹ 150
The following diet of the Bicolor Blenny must be maintained to ensure they stay in great health.
Health & Common Considerations for Bicolor Blenny
Common Health Issues
Fin rot
White spot / ick
Velvet
Ammonia poisoning
Fungal infections
Bacterial infections
Signs of good health
Active
Bright coloration
Good apetite
Undamaged fins
Signs of sickness
Loss of appetite
Lethargic behaviour
Dull coloring
Tattered fins
Increased breathing rate
Regular monitoring, providing a varied diet, and water changes are the most important in keeping the Blenny healthy.
Prerequisites for a Fish
Adequate tank space
Cleanliness
Effort & commitment
Enriching Environment
Written by
Happy Pet TeamAuthor
Team Happy Pet is a passionate collective of pet experts, enthusiasts, and advocates dedicated to sharing trusted and insightful content.
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Frequently Asked Questions
What is the ideal tank size for a Bicolor Blenny?
A minimum of 30 gallons (~114 L) is recommended to ensure territory and reduce stress.
Is the Bicolor Blenny reef safe?
Generally yes, but caution is needed. If underfed or confined, they may nibble on LPS corals or clam mantles.
Can you keep more than one Bicolor Blenny together?
Usually no. They are territorial. Only try if you acquire a bonded male-female pair.
How often should I feed the Bicolor Blenny?
Twice daily with a mix of algae-based foods and occasional small meaty supplements.
Where can I purchase a healthy Bicolor Blenny for sale?
Reputable saltwater fish retailers like LiveAquaria often stock them, with proper quarantine and shipping.
Do Bicolor Blennies eat hair algae?
Yes, Bicolor Blennies graze on algae, including hair algae, making them helpful in controlling unwanted growth in reef tanks.