Depicted: Male Isgild, name: Trivin Isgild age is not comparable to human age. The young isgild look like tiny versions of big isgild. Isgild average a height of 4 foot 5 inches, but one was measured to 5.6. They are always watery colors, but females are commonly pastel. Only green eyes, because they all have poor low light vision. Tail shape can vary. The old isgild have dimmer lights.