Tailspot blenny
Saltwater Beginner Peaceful
Tailspot blenny grows to about 6 cm and needs a tank of at least 16 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
- Peaceful
- Swims
- Bottom
- Adult size
- 6 cm
- Minimum tank
- 16 UK gal
- Min swim length
- 60 cm
- Group size
- Fine on its own
Water parameters
- Temperature
- 24–27 °C
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
Tank & care
Tailspot blenny doesn't need a group and can be kept singly; choose tankmates to suit its temperament.
Give it at least 60 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 Tailspot 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
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