The Infant Metroid is the first stage of a Metroid's life cycle. Upon hatching from its egg laid by a Queen Metroid, the infant's body consists of a transparent, green membrane that surrounds three red nuclei. At first sight, Infant Metroids appear to be harmless with their tiny fangs and do not seek to devour their prey initially; instead, in the presence of another organism, the infant will harmlessly circle around it, seemingly observing it with curiosity. Eventually, the Metroid strikes without warning and devours its prey. After an undetermined amount of time, they grow into their next (and most common) stage: the Larval Metroid. In this second stage of its life, the Metroid is impervious to nearly all forms of weaponry; one of the few ways one can be killed is by freezing the membran