NARCEUS AMERICANUSNORTH AMERICAN GIANT MILLIPEDELife expectancy: +11 yearsAdult height: 5 inchesTerrarium: 10 gallons for an adult. Fill 1/2 of the terrarium with fine substrate that retains moisture well. Add pieces of wood on the ground and a few on top, living moss and a good layer of dry leaves. Make sure you have a cover, they climb.Temperature: 20-25CHumidity: A saucer of water should always be available. Keep the substrate moist but not soaked. In order to obtain a gradient, overflow the bowl of water and tilt the ter..