Aquaristic Online
Blenny Bicolor
Bicolor Blenny (Ecsenius bicolor)
Vibrant Reef-Friendly Algae Eater
The Bicolor Blenny is a hardy, reef-safe marine fish featuring a striking two-tone body—typically a bright yellow front half and dark rear half. This small but active blenny is perfect for nano and standard marine aquariums, keeping algae growth under control while adding personality and movement to your tank.
Known for its curious and entertaining behaviour, the Bicolor Blenny often perches on rocks, exploring its surroundings with its engaging antics.
Key Features
- Distinctive two-tone body: yellow front, dark rear
- Active and engaging personality
- Excellent algae eater for marine aquariums
- Reef safe and hardy—beginner-friendly
- Small size, ideal for nano and standard tanks
Care Requirements
| Parameter | Recommendation |
|---|---|
| Scientific Name | Ecsenius bicolor |
| Common Name | Bicolor Blenny |
| Adult Size | ~7–8 cm |
| Temperament | Peaceful |
| Reef Compatibility | Reef safe |
| Minimum Tank Size | 60L+ |
| Diet | Omnivorous – algae, spirulina, marine flakes, frozen foods |
| Origin | Indo-Pacific |