Main Ref. | He, C., Z. Song and E. Zhang, 2008 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | clearly concave |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | sub-terminal/inferior |
Type of scales | scales embedded or partly/completely absent |
Diagnosis |
Distinguished from all its congeners by possessing a unique combination of the following characters: posterior chamber of gas bladder absent or greatly reduced; caudal peduncle columnar with a roughly round cross-section at its beginning; anterior edge of lower jaw completely exposed or uncovered by lower lip; intestine short, forming a zigzag loop below stomach; origin of dorsal fin closer to the base of caudal fin than to snout tip; pelvic fin insertion anterior to dorsal-fin origin; snout length 50.6-57.5% HL; eye diameter 12.3-15.4% HL; caudal peduncle length 25.1-27.1% SL; anal fin with 5 branched rays; lower lip greatly furrowed with two thick lateral lobes; and body smooth or naked (Ref. 75016). Description: Dorsal fin iii,7-8; Anal fin ii,5; Pectoral fin i9-10; Pelvic fin i7 (Ref. 75016). |
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 | 6 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 10 - 11 |
Adipose fin | absent |
Attributes | more or less truncate |
Fins number | |
Spines total | |
Soft-rays total | 7 - 7 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 10 - 11 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines | |
Soft-rays 8 - 8 |