Fins - D1 - VII, spines elongate to 5th or 7th ray of D2; D2 - 15; anal - 11; based on type only
Color - In alcohol: almost uniform light brown; lips are black, the fins only slightly dusky;, the caudal with eliptical light spots. A roundish dusky spot at base of caudal. Branchiostegal membranes not black. (Gilbert 1892)
Distribution - type locality: northern part of the Gulf of California, Albatross Exp. Sta. 3016 and 3017, 76 and 58 fathoms [Glibert 1892] From northwest Gulf of Califonia to Ecuador.
Notes - Agrees with macropoma in its elongate form, comparaitvely low fins, and in the absence of a black spot on the spinous dorsal. It differs conspicuously in the very short head and narrow opercle and in the presence of a black spot at the base of the tail. The eye is also larger and the fins shorter.