Main Ref. | Larson, H.K. and D.J. Buckle, 2012 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks | Males are more slender, have longer median fins, and usually shorter heads than females (Ref. 41653). |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | oval |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | sub-terminal/inferior |
Type of scales | cycloid and ctenoid scales |
диагноз |
Distinguished by the following characteristics: small Gnatholepis (up to 35.4 mm SL) lacking scales on side of cheek, opercle and predorsal midline, few cycloid scales present on pectoral fin base and on breast; no distinct flap on end of lower lip (low fold may be present); no distinct canine or enlarged teeth; second dorsal fin rays I,11; anal fin rays I,11-12 (usually I,12); pectoral rays 15-19 (usually 17); lateral scales 26-28, ctenoid; predorsal scales absent from nape midline, scales on side of head reaching to nearly behind eyes; body pale with dusky speckling and mid-lateral row of six dusky blotches and horizontal row of darker spots and short streaks, an irregular cross-shaped dark mark on cheek extending down from eye, pupil-sized brown spot just above mid-point of caudal fin base, males with small black spot on rear part of first dorsal fin (Ref. 92171). |
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 | 3 - 3 |
on upper limb | 1 - 1 |
общее число | 4 - 4 |
позвонки | |
preanal | |
общее число |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 7 - 7 |
Soft-rays total | 11 - 11 |
Adipose fin |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 11 - 12 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 15 - 19 | |
Pelvics | Attributes joint, cup-like |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |