| Main Ref. | Tan, M. and J.W. Armbruster, 2016 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Hypancistrus phantasma differs from all other species of Hypancistrus by its color pattern consisting of a tan base coloration with black spots (vs. a color pattern consisting of a dark base coloration and light spots as in H. contradens, H. inspector, H. lunaorum and H. margaritatus or a color pattern consisting of saddles, vermiculations, bands, or stripes as in H. furunculus, H. debilittera, and H. zebra (Ref. 114591). Description: anal fin i,3-4; pelvic fin i,5 (Ref. 114591). |
| 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 | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Adipose fin | present |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 4 - 5 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 6 - 6 | |
| Pelvics | Attributes |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |