

Blennies
Bicolor Blenny
Ecsenius bicolor
Half purple-brown, half orange-yellow — always sitting on rocks watching you back. One per tank; may bicker with other blennies.
Difficulty
beginner
Adult size
Up to 10 cm
Temperament
Peaceful; perchy and curious
Minimum tank
80+ litres
Diet
Herbivore — grazes algae; supplement with spirulina and frozen foods
Lifespan
4–7 years
Water parameters
- Temperature75–80°F
- Specific gravity1.024–1.026
- pH8.1–8.4
Species-specific requirements override general saltwater guidelines.
Natural habitat
Coral rubble and reef crevices of the Indo-Pacific
Care notes
Provide multiple perching spots and holes; loves tight rockwork.
Sourcing & ethics
We list only species that can be sourced responsibly. Availability in Nepal varies — confirm current stock before planning a build.
Usually available in small numbers.
Compatibility
Good company
Keep with caution
“Caution” reflects likely aggression or predation — outcome depends on tank size, order of addition and individual temperament.


