Tropical fish include arowana, arhat, rat fish, blood parrot and fighting fish.

1, arowana

Beautiful bony tongue fish (scientific name: Scleropages formosus): also known as arowana and arowana. It is an ancient primitive freshwater fish. Rivers and lakes native to Malaysia, Indonesia and Sumatra.

2, flower arhat

Lohan, an ornamental fish improved by Malaysian farmers. In fact, Arhat Flower is an improved variety of Arhat Parrot bred in Taiwan Province Province mating with Mexican hybrid Colorful Blue Crater.

3. Rat fish

Rodent fish, like alien fish, is covered with bone plates, and the first fin of pectoral fin and dorsal fin is a hard thorn, which can protect itself. But unlike alien fish, the bone plates on both sides of the body of rat fish are composed of hard scales with equal upper and lower scales, which are arranged densely and regularly.

4. Blood parrot

Blood parrot is commonly known as the red god of wealth and the god of wealth fish. It has a bright red body, a plump figure and soft fins. The color is red, which is very pleasing. Adult15-20cm long, generous and oval.

5, fighting fish

Betta fish, like other fish, mainly breathes through gills, but there is another auxiliary respiratory organ-gill fan, which is named after it in English.

Baidu encyclopedia-fighting fish

Baidu encyclopedia-blood parrot

Baidu Encyclopedia-Rat Fish

Baidu encyclopedia-flower arhat

Baidu Encyclopedia-Beautiful Hard-boned Tongue Fish

Baidu encyclopedia-tropical fish