Overview
The Lawnmower Blenny is a popular addition to saltwater aquariums for its unique coloration and interesting behavior. Known for its green body with dark brown vertical bands, this species is relatively hardy and suitable for beginners. It's a peaceful community fish with a moderate activity level and requires a tank of at least 60 liters.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Blenniidae |
| Genus | Salarias |
| Species | Salarias fasciatus |
| Water type | saltwater |
Natural Habitat
Found in shallow tropical and subtropical waters across the Indo-Pacific region, from East Africa to Hawaii.
Appearance
The Lawnmower Blenny features a slender body with green hues and distinct brown vertical stripes. Its size can range from 3 to 4 centimeters in length.
Behavior
This blenny is a cleaner fish and often feeds on parasites and debris from other fish's scales. It's not a schooling fish and does well in groups, but doesn't necessarily need them to thrive. They can be shy, so providing ample space and territories can help.
| Trait | Value |
|---|---|
| Temperament | Peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–27°C (72–81°F) | Use a reliable adjustable heater |
| pH | 8.1–8.4 | Avoid sudden swings |
| Hardness (GH) | 8-12 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 60L (16 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Lawnmower Blennies are known for their algae-eating habits and can be beneficial for maintaining a clean tank.
- They are not known to be aggressive, making them a suitable addition to most community tanks.
- The name 'Lawnmower' comes from their feeding behavior of trimming algae along the substrate.
📋 Full Care Guide
Ready to set up a tank for your Lawnmower Blenny? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Lawnmower Blenny Care Guide →Related Species
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.