Description
Lawnmower Blenny — Salarias fasciatus Efficient algae grazer. Quick facts Temperament: Semi-peaceful; territorial toward similar fish Reef-safe: Generally; caution with clams and fleshy LPS/SPS Minimum tank: 120+ l / 30+ gal Role: Film, diatom, and turf algae control Aquarium Rockwork: Abundant live rock with constant grazing surfaces and perches. Water: pH 8.1–8.4, salinity 1.025–1.026, temp 24–26 °C; NH3/NO2 0, NO3 <20 ppm. Flow: Low–moderate with calm shelves. Cover: Advisable; can jump when chased. Maturity: Prefer established systems producing natural algae. Diet Primary: Biofilm, film/turf algae, diatoms. Daily supplements: Nori on a clip, spirulina/algae pellets and flakes; occasional mysis or roe for variety. Goal: Rounded belly and steady grazing to prevent nipping. Compatibility Avoid: Other Salarias and similar blennies in small tanks; aggressive tankmates. Good with: Peaceful community fish that ignore it. Clams/corals: Monitor; underfed individuals may nip. Care and selection Acclimation: 30–45 min drip. Offer nori immediately if algae is scarce. Condition: Do not buy with a pinched belly. Confirm active grazing. Note: Individual behavior varies; well-fed specimens are typically coral- and clam-safe.
