Once hatched and ready to leave the brooder (approx. Chickens are raised in a brooder, which can look like a variety of things. In a brooder, this warm environment is created artificially with a heat lamp. It waits until the eggs have been laid before attacking the mouth brooder. As typical of "Coptodon", the redbelly tilapia is a substrate spawner and brooder. Many individuals create their own brooder out of cardboard, plastic or wood. The deep litter method was first used in 1946 by the Ohio Station Brooder House. The Ceylon snakehead is a mouth brooder like many "Channa" species. Carpenter John Beyer was given the task of remodeling the brooder houses into classrooms. Wooden chips are often used in the bottom of the brooder as a bedding. This species is a maternal mouth brooder. The next day a fight breaks out between Brooder and Arthur, exacerbating Arthur's leg wound. Hunt sends John Brooder (Matthew Fox), to fetch the town's doctor. There's almost nothing there except the brooder not accessible now. The dwarf wedgemussel is considered to be a long-term brooder.