Gobies, blennies, and small marine fish
Lawnmower Blenny
Salarias fasciatus
Photo: Autor desconocido · CC BY-SA 4.0 · Wikimedia Commons
Key facts
- Temperature24–27 °C
- pH8.1–8.4
- Minimum tank200 l
- Adult size14 cm
- Difficulty★★☆☆☆
- TemperamentSemi-aggressive
- WaterMarine
- Reef safeYes
Full profile
- Family
- Blenniidae
- Origin
- Indo-Pacific (Red Sea to Samoa)
- Size
- 14 cm
- Temperature
- 24 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.023 – 1.025
- Difficulty
- ★★☆☆☆
- Water type
- marine
- Swimming level
- lower
- Behavior
- semi-aggressive (territorial toward other bottom-dwelling herbivores)
- Minimum number of individuals
- 1
- Minimum aquarium size
- 200 L
- Diet
- Herbivore (filamentous algae; supplement with nori)
- Reproduction
- oviparous
- Reef Safe
- ✅ Yes
Notes: Known as the “lawnmower” because of the way it scrapes away filamentous algae. It needs a well-established aquarium with algae; without it, it goes hungry. It has an expressive face with cirrus-like markings above its eyes.
