Glow Worms are a species I created.
They're simple creatures and act a bit like real worms. They burrow and make homes in the dirt, they'll help keep your soil good and sometime even make it glow! You can often find them trudging around in the grass or mud after a good rain, they come out very early morning or late at night. Their glows can often be mistaken for lawn lights or fireflies. Like bees they communicate through 'dances' like a game of charades basically.
Glow worms can make great multi-purpose pets! While they love frolicking in the mud, they can feel right at home in a jar with some dirt and a few twigs and leaves. (Make sure you poke holes in the lid!)
They make handy flashlights for night time reading or camping, or if you're just afraid of the dark and need some comforting light to help you sleep. Or if you've got the graveyard shift at work and need flashlight during the night.
Most glow worms are easily tamed and will accept life as a pet. Their normal lifespan is about 4-5 years, and can grow to about 10 centimeters(4 inches) in length.
in the wild their diet consists of minerals found in the dirt they wiggle about in. In captivity a good sized lettuce leaf or some veggie slices will keep your worm fed for at least a week or more.
They should have a small shallow water dish of some sort in their enclosure as well.
If you are not satisfied with the current colour scheme of your worm, it's easy to induce a change! measure out small amounts of drink crystals or food colouring (2 + 2 + 1) is the ratio for most colour shemes, your first two are for it's base and belly, the second for any markings it might have (if you want multiple coloured markings continue to add +1 part of each colour you desire) either mix it into their water dish, or set aside in the tank/jar as-is. You may have a hyper worm for a little bit, but colour changes are guaranteed.
Breeding them is also very easy! there are an equal number to males as there are females, grab a few and place them in a tank of any size, a damp soil floor is a good idea, and a few small branches with leaves still attached if possible as well as a water dish and some food, turn off the lights and leave your tank alone for a few days and you should find some little dimly glowing wormlings when you return! worms glow brighter until they are considered adults, afterwards they slowly begin to dim with age.
At their brightest point, if taken care of properly can reach common LED light brightness.
They can't turn this glowing off either, it's a constant bit of bioluminescence.

I normally go Glow Worm gathering early morning, or late at night after a good rain, when the birds aren't out and might be sleeping. These are the best times to go looking for them I find unless you want to carefully go digging in your garden, just be very careful as glow worms are fairly delicate.

below are some images of some fine specimens of Glow Worms

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