Main Ref. | Hart, J.L., 1973 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Dorsal fins touching or nearly so; caudal rounded; anal long based and rather low; pectorals broad, lower 4 to 6 rays thickened and not joined by membrane as far as their ends; pelvic fins reduced (in males, long pelvic fins reaching as far as the origin of the anal fin) (Ref. 6885). Dark gray or brown on upper surface, paler beneath, the line of demarcation very clear on head; some individuals with 6 or more dark saddle-shaped markings over back and extending on sides; dorsal fins with dark bands following free margins on fins; longitudinal dark coloring follows rays of caudal fin, especially at distal ends; rows of dark spots on rays of pectorals, and a bright orange spot in its center; dark spots on eyeballs more abundant on upper part (Ref. 6885). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 37 - 40 |
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 | 35 - 37 |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 8 - 9 |
Soft-rays total | 6 - 9 |
Adipose fin | absent |
Attributes | other (see remark); more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 10 - 12 |
Pectoral | Attributes very large , lobe-like |
Spines 0 | |
Soft-rays 14 - 15 | |
Pelvics | Attributes aberrant |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 2 - 2 |