Main Ref. | Allen, G.R., 2001 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | oval |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
диагноз |
Pectoral fin rays simple; spinous dorsal fin moderately elongate in both sexes, second and third rays longest, fifth pelvic fin ray well developed, two-tenths to three-tenths length of fourth ray; cephalic sensory pore system lacking IT and PITO pores, and AITO pore single (except double in smallest paratype) and very small; posterior rays of second dorsal and anal fins elongate, forming a lanceolate shape; preserved specimens generally whitish with dark pigment along base of anal fin, extending along ventral edge of caudal peduncle; small dark spot usually present at lower caudal fin base; nostrils dark and pair of brown spots of variable intensity usually present on top of head, just behind eyes (Ref. 44113). |
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 | |
общее число | |
позвонки | |
preanal | |
общее число |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 7 - 7 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 8 - 8 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 16 - 17 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 4 - 4 |