Main Ref. | Collette, B.B. and C.E. Nauen, 1983 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | oval |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Diagnosis |
A small species, deepest near the middle of the first dorsal fin base. The second dorsal fin is higher than the first dorsal fin; the pectoral fins are short to moderately long; swim bladder is absent or rudimentary. Lower sides and belly silvery white with colorless elongate oval spots arranged in horizontally oriented rows. The dorsal, pectoral and pelvic fins are blackish; the tip of the second dorsal and anal fins are washed with yellow; the anal fin is silvery; the dorsal and anal finlets are yellow with grayish margins; the caudal fin is blackish, with streaks of yellow green. |
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 | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 19 - 27 |
Vertebrae | |
preanal | |
total | 39 |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 9 - 9 |
Ventral 8 - 8 | |
Spines total | |
Soft-rays total | |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 30 - 35 | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines | |
Soft-rays |