Main Ref. | Ho, H.-C., D.G. Smith and K.A. Tighe, 2015 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | eel-like |
Cross section | oval |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
This species is distinguished by the following characters: no pectoral fin; dorsal-fin origin about 0.8-1 HL behind gill opening, predorsal length 16.5-19.1% TL; anus posterior, about 1.5 time of HL behind gill opening, preanal length 23.3-28.6% TL; trunk long, trunk length 14.3-17.7% TL; 2 intermaxillary teeth; upper jaw with 2 irregular rows of small blunt teeth; vomer with 2 or 3 (mainly 3) compound teeth; lower jaw single row of 4 or 5 small compound teeth followed by 1 or 2 irregular rows of small blunt teeth; short cirri on surfaces of chin and jaws; head pores: IO 4, SO 3, M 6 (1 with 7), POP 1, AD1, F 0, ST 0; lateral-line pores are large, prepectoral 5 or 6, total 9-11, the last at slightly beyond the gill opening posteriorly; MVF 18-27-153, total vertebrae 146-156 (Ref. 106136). |
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 | 146 - 156 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
Spines | |
Soft-rays | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |