Main Ref. | Ahnelt, H., 2020 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | |
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: body slender, elongated and not pigmented in preserved specimen; tail distinctly shorter than the abdomen; body depth at pectoral radial plate origin 4.1% of SL and at anal-fin origin 5.6% of SL; origin of dorsal fin distinctly anterior to origin of anal fin (long dorsal fin type), predorsal length 57.6 % of SL and preanal length 74.3 % of SL; tail length (without caudal fin) 29.8 % of SL; D 19-21; A 13-15; first anal-fin ray positioned below 9th-10th dorsal fn ray; premaxilla with about 40 closely spaced tiny teeth along entire ventral margin; teeth on dentary about 30 separated by a distinct gap (diastema) into two groups; myomeres 34-36; male urogenital papilla elongate, tube like, tapering towards tip; female urogenital papilla tiny and inconspicuous (Ref. 123103). |
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 - 22 |
total | 33 - 35 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 19 - 21 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total | 13 - 15 |
Pectoral | Attributes |
Spines | |
Soft-rays 16 - 17 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |