| Main Ref. | Møller, P.R., W. Schwarzhans and J.G. Nielsen, 2004 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by the following characters: anterior nostril placed low on snout; tip of opercular spine free; male copulatory organs with 2 pairs of equally sized psedoclaspers, larger than in all other American dinematichthyine species; inner pseudoclasper formed like a forward-pointing hook; eyes large (2.9% SL); head with broad scale patch on cheek; otolith with fused colliculi; 1 lower preopercular pore; maxillary knob at rear corner; 3 elongated rakers on anterior gill arch; anterior anal fin pterygiophore long; predorsal length long (35.3% SL), ventral fins short (16.4% SL), ending well in front of the anal opening (Ref. 55786). |
| 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 | 11 - 11 |
| total | 41 - 41 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 69 - 69 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 56 - 56 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 20 - 20 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |