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 | elongated |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Diagnosis |
This species is characterized by the following: usual number of vertebrae, precaudal 15 (14), caudal 56-57 (54-58), total 71-72 (69-72); fin rays, dorsal 127-130 (125-133), anal 106-108 (104-112) pectoral 20-21 (22); pyloric caeca usually 3 (1-4), most often with 2 in one tier and 1 in second, when 4, they are 3+1; first gill arch with rudimentary rakers 2 on the upper arm, 4 (rarely 5) developed rakers on the lower limb, usually 2 (1-3) rudimentary rakers anteriorly on the first arch; total rakers usually 8-9; dorsal-fin origin between neural spines 2-3 (18 specimens) or 3-4 (11 specimens), in most instances is almost directly over neural spine 3 (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 - 15 |
total | 69 - 72 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 0 |
Soft-rays total | 127 - 130 |
Adipose fin |
Attributes |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 104 - 112 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 21 - 22 | |
Pelvics | Attributes |
Position | |
Spines 0 | |
Soft-rays |