Bicolour blenny
Saltwater Beginner Semi-aggressive
Bicolour blenny grows to about 10 cm and needs a tank of at least 24 UK gal. Here's how to keep it healthy and what it lives well with.
Quick facts
- Water type
- Saltwater
- Group
- Marine fish
- Difficulty
- Beginner
- Temperament
- Semi-aggressive
- Swims
- Bottom
- Adult size
- 10 cm
- Minimum tank
- 24 UK gal
- Min swim length
- 75 cm
- Group size
- Fine on its own
Water parameters
- Temperature
- 24–27 °C
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
Tank & care
Bicolour blenny doesn't need a group and can be kept singly; choose tankmates to suit its temperament.
Give it at least 75 cm of swimming length and hold the water around 24–27 °C. Match any new species to these ranges before adding them.
Plan a tank with this fish
Use the stocking calculator to see how many Bicolour blenny your tank can hold and whether your planned tankmates are compatible — it's anchored to your net water volume and footprint.
Figures are conservative hobby-consensus estimates for planning. Individual fish vary — always research a species and watch how yours behave.
Related guides and tools
Similar species
-
Ocellaris clownfish
Marine fish
Saltwater Beginner Semi-aggressive- Min tank
- 16 UK gal
- Adult size
- 8 cm
-
Royal gramma
Marine fish
Saltwater Beginner Semi-aggressive- Min tank
- 24 UK gal
- Adult size
- 8 cm
-
Firefish goby
Marine fish
Saltwater Beginner Peaceful- Min tank
- 16 UK gal
- Adult size
- 8 cm
-
Banggai cardinalfish
Marine fish
Saltwater Intermediate Peaceful- Min tank
- 24 UK gal
- Adult size
- 8 cm