Invertebrates
beginnerNassarius snail
Nassarius sp.
Quick reference
Min tank size
10 US gal
10 gal — smallest practical reef tank. Need ≥1 inch sand bed.
Temperature
75–82 °F
Salinity
1.024–1.026 SG
pH
8.1–8.4
Feeding
Detritus and uneaten food. Don't add target feeding — they find food themselves.
Compatibility
Reef-safe. Compatible with all reef fish.
What kills it
Bare-bottom tanks (no substrate to burrow in). Hermit crab predation (occasional). Old age.
Common mistakes
- •Adding to bare-bottom tank — they need 1+ inch of sand to burrow.
- •Adding too many — 1 per gallon is excessive, they starve.
Equipment & food for this species
Inverts need stable salinity — use a refractometer, not a hydrometer.
PE Mysis Shrimp — frozen
Whole-shrimp frozen food. Premium reef-tank standard.
View on Amazon →
Refractometer for saltwater + calibration fluid
Calibrate with 35 ppt fluid monthly. Replaces hydrometers.
View on Amazon →
Affiliate links. As an Amazon Associate, reefcalcs earns from qualifying purchases.
Related
Last reviewed