Wrasse, Anthias, and Other Marine Fish
Butterfly Blenny
Blennius ocellaris
Photo: Etrusko25 · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature12–22 °C
- pH8.1–8.4
- Minimum tank150 l
- Adult size20 cm
- Difficulty★★☆☆☆
- TemperamentSemi-aggressive
- WaterMarine
- Reef safeWith caution
Full profile
- Family
- Blenniidae
- Origin
- Mediterranean and Eastern Atlantic
- Size
- 20 cm
- Temperature
- 12 – 22°C
- pH
- 8.1 – 8.4
- Salinity
- 1.025 – 1.028
- Difficulty
- ★★☆☆☆
- Water type
- marine
- Swimming level
- lower
- Behavior
- semi-aggressive
- Minimum number of individuals
- 1
- Minimum aquarium size
- 150 L
- Diet
- carnivore
- Reproduction
- oviparous
- Reef Safe
- ⚠️ Use with caution
Notes: High dorsal fin with a large black ocellus edged in white. It lives in deeper, colder waters.
