(1) Aquaculture types: Aquaculture can be roughly divided into freshwater aquaculture and marine aquaculture according to the salinity of the aquaculture water; according to the different aquaculture waters, it can be divided into rivers, lakes, reservoirs, and rice fields. , ponds, shallow seas, tidal flats and harbor farming, etc.; according to different farming methods, it can be divided into pond fish farming, large water surface fish farming, industrial (circulating water) fish farming, tidal flat farming, shallow sea farming, harbor farming and marine ranching, etc.

(2) Main freshwater culture species

① Fish. There are more than 800 species of freshwater fish in my country, and about 250 species have economic value. Among them, there are more than 40 species with high yield and important economic value, mainly including: bream (Northwestern Cyprinidae without scales), sturgeon (Acipenser schrenckii, Acipenser), white sturgeon, bream, Changchun bream, carp, crucian carp, Anchovy, goby (young fish commonly known as spring fish), loach, Taihu new whitebait, male fish, large whitebait, salmon (salmon), grass, silver carp, bighead carp, green, mandarin fish, catfish, yellow catfish , snakehead, southern largemouth catfish, longnose catfish, eel, yellow eel, river eel, mullet, etc., as well as rainbow trout, tilapia, freshwater pomfret, freshwater shark, leatherback catfish, channel catfish, largemouth bass, Brazilian Bream and other cultured species introduced from abroad. ② Crustaceans. The main ones include Macrobrachium japonicum, Macrobrachium rosenbergii, long-armed shrimp, Procambarus kodai, Chinese mitten crab (hairy crab), etc.

③ Other varieties. Mainly include goldfish, koi, crucian carp, Chinese soft-shell turtle, tortoise, Brazilian painted turtle, snapping turtle, giant salamander, field snail, river mussel, wide-bodied golden-threaded leech, etc.

(3) Main species of seawater culture

① Shellfish. The main varieties are: variegated clams, Shih Tzu tongue clams, clams, Ubes, hairy clams, blood clams (corrugated clams), scallops (bay scallops, Ezo scallops, Pacific scallops), mussels (sea red, mussel), razor clams, Razor clams, oysters (Hawaiian oysters, Pacific oysters), green clams, four-cornered clams, Philippine clams, abalone, conch, etc.

② Algae. Mainly include kelp, wakame, seaweed, cladoceran, spirulina, etc.

③ Shrimps (crustaceans). Mainly include Chinese shrimp (Penaeus orientalis), Japanese shrimp, Penaeus monodon, South American brown shrimp, South American blue shrimp, South American white shrimp, Portunus trituberculatus, Japanese blue crab, Pipa shrimp, lantern shrimp, tiger head crab and other species .

④ Fish. Mainly include river fish (Timba fish, spotted fish, oriental fish, blue star oriental fish, etc.), sea bream, black sea bream, sea bream, horse face fish (skinned wolf, horse barge fish), semi-smooth tongue sole, eel, mullet, barracuda , seabass, turbot, grouper, large yellow croaker, small yellow croaker, kingfish, flounder, tilapia, etc.

⑤ Other varieties. Mainly include sea intestines, sea urchins (horse dung sea urchin, purple sea urchin), starfish, sea cucumbers (thorn sea cucumber, nightshade cucumber), jellyfish, etc.

The content of this article comes from: "Species Resource Inspection and Identification" by China Agricultural Press