Cyprinidae? Cyprinidae doesn't need genus? Pontius? fish

What is the picture below? Dan (Ni) doesn't need Puntius denisonii, commonly known as Red Eyebrow Taoist, One Eyebrow Taoist?

Cyprinidae? Cyprinidae hornfish? Epalzeorhynchos？ fish

The picture below shows Epalzeorhynchos frenatus, a common name? Red-finned shark

Slender, gray scales with black edges. Black stripes extend from the snout to the center of the eye. There are black spots at the end of the tail stalk, red forked tail fins and two pairs of tentacles under the mouth. The male fish is slender and has black stripes on his hips. The body length can reach 15 cm.

Originated in Thailand. Rainbow shark's body is spindle-shaped, slightly flat, and its caudal fin is bifurcated, with a body length of 12 cm. The fish is light brown, and all the fins are orange, shining in the light. So it has always been liked by everyone. Rainbow shark has strong adaptability, is easy to raise, likes neutral water and can grow well at 20℃. However, they are fierce and aggressive, often fighting among the same kind, and sometimes swallowing other small fish. It's best not to mix with fish that are too small.