Cook rice in 1⁄2 l boiling salted water according to package instructions. Peel and chop onion and garlic. Clean, wash and cut the peppers into strips. Rinse fish, cut into pieces.
Coarsely chop the cashew nuts and roast them in a pot without fat, take them out. Heat the oil in the pot. Fry onion, garlic and paprika in it. Steam curry paste briefly.
Add coconut milk and 1⁄8 l water, bring to the boil. Add fish and cook covered over low heat for about 5 minutes. Season to taste with salt and pepper. Arrange everything, sprinkle with cashews.