Ostorhinchus capricornis, also known as the Capricorn cardinalfish, is a fish that lives in the oceans on the Western side of Australia. The black spot, slightly smaller than the pupil, is centred on the rear fin. Bright blue lines are located on the head, the lower of the two extends a little past the end of the eye. The color of the Ostorhinchus capricornis is a yellowish on the top, and a golden color on the bottom.