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 | |
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 |