The Calico Koi Swordtail (Xiphophorus hellerii), also known as the Koi Swordtail or Calico Swordtail, is a colorful and eye-catching freshwater fish that is prized for its remarkable likeness to the classic Japanese Koi fish. Size: usually reach lengths of 2.5–3 inches, or 6-7.5 centimeters
