Rainbow shark, alias Red Shark, is native to Thailand. Rainbow shark's body is long spindle-shaped, slightly flat, and its caudal fin is forked, with a body length of 12- 15cm. The fish is light brown, and all the fins are orange-red, 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℃. But the character is fierce and aggressive, and the same kind often fights with each other, sometimes swallowing other small fish. It's best not to mix with fish that are too small. They don't choose food and like to eat animal bait. It's hard to tell the male from the female in rainbow shark. After sexual maturity, the male fish is slender and the female fish has a larger abdomen. Rainbow shark is an oviparous fish, so it is difficult to breed.
Other tropical fish with the title of shark.
1. whitebait: 36 cm long, silvery white, forked tail, strong and gentle, and can be raised when the water temperature is above 18℃.
2. Sail fin turtle fish: 30 cm long, silvery gray, forked tail, 8 vertical stripes on the side, and the dorsal fin is as wide as a sail.
3. Rainbow fish: 12 cm long, taupe, forked tail and orange fins.