Lipid cyprinidae? Charophyceae? Neon fat carp? Small tropical fish

What is the picture below? Neon fat carp? Parachirodon? Inesi? , also called what? Fluorescent fish, traffic light fish, neon fish

(main feature: the back half is red)

Cyprinidae? Don't need a genus? Peng Tius fish

The picture below shows the cherry without Puntius? titteya？ Commonly known as Cherry lamp, ochre, red rose crucian carp, Angola crucian carp.

The body is slender, brown and reddish, and the red color on the male fish is more obvious during the breeding period. There is a long dark stripe extending from the snout to the tail stalk, and there may be short stripes on the rows of scales below it, and there is another gold stripe on these stripes. A pair of tentacles grow on the upper lip. Plain fins are in harmony with body color. The body length can reach 5 cm.