Nassarius Snail – Nassarius sp.

Common name: Nassarius Snail
Scientific name: Nassarius sp.
Origin: Indo-Pacific / Caribbean (varies by species)
Adult size: 1–3 cm
Temperament: Peaceful
Diet: Scavenger / Carnivorous detritivore
Minimum tank size: 40 L+
Reef safe: Yes

Overview

Nassarius snails are excellent scavengers and highly effective sand sifters. They consume leftover food and organic debris while helping to aerate and maintain a healthy sandy substrate.

A must-have member of the clean-up crew in saltwater aquariums.

Behavior & Benefits

• Burrow into the sand when not feeding
• Quickly emerge when food is detected
• Help prevent detritus buildup
• Improve sand bed oxygenation

Their constant sand movement supports overall substrate health.

Feeding

Primarily feed on:
• Leftover fish food
• Organic waste
• Meaty debris

In lightly stocked or very clean systems, occasional target feeding with small pieces of frozen food may be beneficial.

Care Notes

• Very hardy and adaptable
• Tolerate a wide range of reef parameters
• Require sand substrate (not suitable for bare-bottom tanks)
• Safe with corals and fish

An easy-to-keep and highly functional clean-up crew member, ideal for both beginner and experienced reef aquarists.