Main Ref. | Lee, C.-L. and H. Asano, 1997 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | eel-like |
Cross section | circular |
Dorsal head profile | more or less straight |
Type of eyes | other (see remarks) |
Type of mouth/snout | more or less normal |
Position of mouth | sub-terminal/inferior |
Type of scales | |
Diagnosis |
Head and trunk short, about 1.6-1.7 times in tail. Eyes small and covered with semitransparent membrane. Dorsal fin originates much behind the pectoral tip; dorsal and anal fins very low without any spots. Preoperculomandibular pores 5 + 2. Vertebrae 178-184 (Ref. 40862). Differs to O. aphotistos in having more vertebrae, 178-184 and 2 distinct papillae on the upper lip which is absent in aphotistos (Ref. 40865). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total | 178 - 184 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes | pointed |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
Spines | |
Soft-rays | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |