They vary in size from 5.1 centimeters to 1 foot, really lucky ones will grow to 1 foot 1 centimeter. There are four families of centipedes. They make up the class Chilopeda of the phylum Arthropoda. Their favorite foods are bugs, spiders, and worms. Their name means 100 legs but adults actually have 15 to 173 pairs of legs.
Young ones can have as few as seven.