3 Pa. C.S. § 4203
The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Account." The Aquaculture Development Account.
"Advisory committee." The Aquaculture Advisory Committee in the Department of Agriculture.
"Aquaculture." A form of agriculture which is the controlled cultivation of aquatic plants, animals and microorganisms.
"Aquarium species." Any aquatic species which may not be propagated in open air facilities within this Commonwealth under normal circumstances and are primarily kept indoors in glass aquariums for their aesthetic value.
"Aquatic organism." Any plant or animal that grows or lives in or upon the water.
"Artificial propagation." Rearing any species of fish during any stage of the species' life cycle from inception by natural or artificial means to the adult stage of the species.
"Baitfish." The following fish, unless otherwise provided by departmental regulation:
"Department." The Department of Agriculture of the Commonwealth.
"Finfish." True fish which are any number of strictly aquatic craniate vertebrates that include the teleosts, elasmobranches and cyclostomes. These fish typically have an elongated, spindle-shaped body terminating in a caudal fin.
"Fish." When used as a noun, the term includes all game fish, fish bait, baitfish, amphibians, reptiles and aquatic organisms.
"Hobby breeder." Any person who keeps and propagates aquatic animals on a small scale. A small scale is gross annual sales of less than $1,000.
"Ornamental species." Any aquatic organism kept primarily for its aesthetic value which can be propagated in open-air facilities within this Commonwealth under normal circumstances.
"Pet store." A commercial outlet engaged in the retail sale of pets and related products to the public.
"Secretary." The Secretary of Agriculture of the Commonwealth.
"Watershed." One of the five major watersheds located within this Commonwealth:
3 Pa.C.S. § 4203