| Main Ref. | Schwarzhans, W.W. and A.M. Prokofiev, 2017 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This slender species is distinguished by the following characters: flat dorsal head profile and pointed snout; A II + 7; pectoral-fin rays 15-16, pectoral length 19.5-24.3% SL; gill rakers 11-16, decreasing with size; pseudobranchial filaments 16-29, increasing in number with fish growth; first anal-fin pterygiophore is long, slightly bent, with moderately broad, hollow tip; vomer V-shaped with reduced dentition, only few long teeth near sides of base; palatine with 1 row of teeth, anteriorly long, posteriorly granular; ectopterygoid widened, 3-4 rows of granular teeth; orbital diameter 9.5-12.6% SL, decreasing with size; snout length 87-113 % of orbital diameter; no longitudinal ridges on the preopercular lobe; otolith moderately slender (OL:OH = 1.7-1.8) (Ref. 116586). |
| 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 | 11 - 16 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 10 - 10 |
| Soft-rays total | 8 - 9 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 5 - 17 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |