 Its body is elongate and compressed, primarily creamy-white, with eight reddish-brown saddles and blue chromatophores on the head.The esca-like structure is at the tip of the elongated spine on the first dorsal fin and is reddish brown.Williams describes "G. inescatus" as being similar to "G. uranidea", "G. healae", and "G. jacksoni", with the esca being a noticeable distinguishing trait.