those orange shrimp (Caridina propinqua) are low order meaning they do not complete their lifecycle in freshwater. Their young has a larvael stage requiring brackish water.
Cherry shrimp will not hybridize with either green shrimp (caridina babaulti) or tiger shrimp (caridina cantonensis sp tiger). The greens have parameter n eeds that match better with yoru neocaridina than the tigers. Tiger shrimp prefer cooler soft water while babaulti like moderately hard water and can tolerate warmer temperatures.