Main Ref. | Møller, P.R. and W. Schwarzhans, 2006 |
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 | |
Type of scales | |
Diagnosis |
The species is distinguished in having a very elongate, almost eel-like body; vertebrae 22-25 + 57-65 = 79-87, dorsal fin rays 161-191, anal fin rays 109-124, D/A 58-75, V/A 27-28; no scales; no supraorbital pore behind eye; lower preopercular pores 2; posterior infraorbital pores 3; broad angle on ventral maxilla positioned behind rear of eye; exposed opercular spine small, short, straight; lower lip with prominent skin folds; single pair of pseudoclaspers curved outwards, with narrow base and pointed tip, with broadly expanded fleshy flaps anteriorly and posteriorly; penis small, less than half the length of pseudoclaspers, with hook at tip; otoliths pointed anteriorly, rounded posteriorly, predorsal angle more pronounced than postdorsal angle (Ref. 57886). |
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 | 22 - 25 |
total | 79 - 87 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 161 - 191 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total | 109 - 124 |
Pectoral | Attributes |
Spines | |
Soft-rays 17 - 21 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |