| Main Ref. | Shibukawa, K., D.D. Tran and L.X. Tran, 2012 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | cycloid scales |
| Diagnosis |
Differs from all other species of the genus Phallostethus in having the following characters: second ctenactinium with seven serrae in adult males; pectoral fin with 11-13 rays ; 11-14+25-26=37-40 vertebrae; approximately 5-19 teeth on paradentary. Males are dextral based on six specimens; 25-26 caudal vertebrae, sexual dimorphism is also found in the number of precaudal vertebrae, 13-14 in males and 11-12 in females (Ref. 90869). Description: Pelvic fin absent in males, present but rudimentary in females |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 34 - 36 |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 12 - 13 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | 25 - 26 |
| total | 37 - 40 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 7 - 9 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 24 - 27 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes suppressed/absent |
| Position absent | |
| Spines | |
| Soft-rays |