Main Ref. | Robins, C.R., R.H. Robins and M.E. Brown, 2012 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | eel-like |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
This species have the following characteristics: pyloric caeca usually 7-8 in 1 or 2 whorls, typically 6+2; usually 3 rudimentary gill rakers on the upper arm of the first arch, 4-5 developed rakers on lower arm, usually 2-3 rudimentary rakers anteriorly on the lower arm; total gill rakers 9-13; dorsal-fin origin between neural spines 3-4; head and body uniformly dusky; pectoral fins clear; dorsal and anal fins clear with a dark edge, most developed in the anal fin; posterior part of the roof of the mouth, upper pharyngeal region, and gill bars are blackish; esophagus, caeca, and anterior part of the intestine are blackish (Ref. 91765). |
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 | 14 - 16 |
total | 74 - 77 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 133 - 141 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total | 112 - 121 |
Pectoral | Attributes |
Spines | |
Soft-rays 19 - 22 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |