sentences:  The snowflake moray is a very commonly kept saltwater eel.They are very hardy and well-suited to life within an aquarium.Up to 28" in length in captivity, the snowflake moray requires an aquarium that is larger than 20 gallons (40–50 gallons when full grown) with a tight-fitting lid, as these eels (and "all" eels, for that matter) are good at escaping and can fit through surprisingly small holes in aquarium lids.