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\nthe immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent a…nd must metamorphose\n.
Prawns go through three larval stages, the nauplius, zoea, and mysis. After this, they go through an intermediate phase called postlarvae, at which time they look pretty much …like small adults and begin settling to the sea bottom. (MORE)
Flea larvae emerge from the eggs to feed on any available organic material such as dead insects, feces, and vegetable matter. They are blind and avoid sunlight, keeping to dar…k places like sand, cracks and crevices, and bedding. Given an adequate supply of food, larvae should pupate and weave a silken cocoon within 1-2 weeks after 3 larval stages. After another week or two, the adult flea is fully developed and ready to emerge from the cocoon. They may however remain resting during this period until they receive a signal that a host is near - vibrations (including sound), heat, and carbon dioxide are all stimuli indicating the probable presence of a host.  Fleas are known tooverwinter in the larval or pupal stages. Basically its a flea what can effect pets and humans. They can also infest houses :P (MORE)