| Main Ref. | Smith-Vaniz, W.F., 2017 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished from A. leptus by the following characters: D X (vs. IX); vertebrae 12 + 23 (vs. 13 + 19); mid-dorsal supratemporal pores 2 (vs. 1); males with a conspicuous blue ocellus between dorsal-fin spines, absent in females (Ref. 117352). |
| 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 | |
| Vertebrae | |
| preanal | 12 - 12 |
| total | 35 - 35 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 10 - 10 |
| Soft-rays total | 19 - 19 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 19 - 19 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 13 - 13 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 3 - 3 |