The Nishiki Ricefish (Oryzias latipes), also referred to as the Japanese Ricefish or Medaka, is a highly adaptable species capable of thriving in a wide range of water conditions, from brackish environments to acidic streams. This species is known for its unique breeding behavior, where females carry eggs attached to their anal fin until depositing them in fine-leaved vegetation. Preferring cooler temperatures, the Nishiki Ricefish can be maintained without a heater, making it a versatile choice for various aquarium setups.