鉴别 |
Diagnosis: Pectoral fin rays 15 - 16; total nasal lamellae 22 (Ref. 10698).
Description: Branchiostegal rays 7; snout rounded in lateral view, slightly projecting beyond upper jaw; mouth oblique, upper jaw extending posteriorly beyond posterior margin of eye; eye elliptical, its horizontal diameter equal to snout length; interorbital width equal to one-half horizontal eye diameter; anterior nostril small, circular, positioned about halfway between snout tip and anterior margin of eye; short opercular spine exposed through an elliptical slit in skin; cephalic sensory pore system, IO 9. LT 6, MD 5, POP 3. SO 5, ST 3. Gill rakers on first arch (1)0 + 1 + 2(6), longest raker nearly equal to interorbital width. Pseudobranchial filaments 2. Dorsal-fin origin slightly posterior to a vertical from tip of pectoral fin. Anal-fin origin below pectoral-fin base. Pectoral fin shorter than postorbital length of head. Pelvic fins absent. Head and body without scales. Lateral line is a well-developed, continuous tube (Ref. 10698). |