Skip to content
Bicolor Blenny
← Marine Life Explorer

Blennies

Bicolor Blenny

Ecsenius bicolor

Usually available in Nepalbeginnerreef safe with caution

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.

Recommended for this species

Equipment matched to a 80+ litres+ saltwater system.

Browse equipment