Main Ref. | Burgess, W.E., 1978 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | short and / or deep |
Cross section | compressed |
Dorsal head profile | clearly concave |
Type of eyes | more or less normal |
Type of mouth/snout | tube-like |
Position of mouth | terminal |
Type of scales | ctenoid scales |
Diagnosis |
Body deep, compressed, and disk-shaped; dorsal profile of head steep and concave; snout pronounced; teeth very small and se in a comb-like band; base of pelvic spine with an axillary process; lateral line complete, extending over caudal peduncle; body yellowish; snout with a dark stain; eye bordered with black; posterior edge of operculum, base of pectoral fins, nape, and dorsal border (at base of dorsal fin) black (Ref. 55763). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 52 - 63 |
Pored lateral line scales | 52 - 62 |
Scales in lateral series | |
Scale rows above lateral line | 10 - 12 |
Scale rows below lateral line | 23 - 26 |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 16 - 20 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 11 - 12 |
Soft-rays total | 24 - 25 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 18 - 20 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 16 | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines | |
Soft-rays |