| Main Ref. | Randall, Z.S. and L.M. Page, 2014 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Homalopteroides avii can be diagnosed from all congeners by having a wider gape of 28.5-33.3% HL. It further differs by having the following characters: a lateral cephalic stripe; a deeper caudal peduncle; 20-22 circumpeduncular scales; 9 pelvic-fin rays; a total pectoral-fin ray modal count of 15; 43-45 lateral-line scales (Ref. 96077). Description: Description: Dorsal fin rays iii, 7½ ; anal-fin rays i-ii, 4-5½ ; pectoral-fin rays iv-v, 7-10, i-ii; pelvic-fin rays ii, 7 (Ref. 96077). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 43 - 45 |
| Scales in lateral series | |
| Scale rows above lateral line | 6 - 8 |
| Scale rows below lateral line | 6 - 7 |
| Scales around caudal peduncle | 20 - 22 |
| Barbels | 6 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 10 - 10 |
| Adipose fin | absent |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 15 - 15 | |
| Pelvics | Attributes |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 9 - 9 |