1. Aquaculture can be divided into freshwater aquaculture and marine aquaculture. Freshwater aquaculture includes fish and crustaceans, while marine aquaculture includes shellfish, algae, and aquatic products. Breeding can also be divided into rice field culture, ocean culture, pond culture, etc. Ocean culture is suitable for coastal areas, while rice field and pond culture are suitable for internal areas.
2. Freshwater culture: fish: Changchun bream, crucian carp, carp, bream, catfish, etc. Crustaceans: Crustaceans cultured in freshwater include Penaeus vannamei, hairy crabs, and Macrobrachium rosenbergii. Other species: Chinese soft-shell turtle, Brazilian turtle, koi, goldfish, etc. Marine culture: fish: barracuda, flounder, perch, large yellow croaker, etc. Shellfish: Clams, scallops, variegated clams, etc. Algae: kelp, seaweed, etc. Crustaceans: lantern shrimp, prawns, etc.