Main Ref. | Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986 |
Appearance refers to | |
Bones in OsteoBase | Skull, Spine |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Diagnosis |
Body elongated and little compressed; teeth small and uniseriate; lower branch of first gill arch with 42 to 45 gill rakers; edge of shoulders girdle (cleithrum) with a small furrow at its upper end but lacking papillae; lateral line completely scaled, the scales becoming large scutes posteriorly; scutes in the area of the median curve 1.1 to 1.6 times the diameter of the eye; nape and back metallic blue or dark gray; flanks and belly pale; dorsal edge of operculum with a black stain (Ref. 55763). Body elongate and slightly compressed. Body dark blue dorsally, silvery-white ventrally. Black spot on upper posterior margin of opercle. Fins dusky (Ref. 37339). Pectoral fin falcate and very long (Ref. 27363). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 96 - 112 |
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 | 58 - 63 |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 9 - 9 |
Soft-rays total | 31 - 35 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 2 |
Spines total | 3 - 3 |
Soft-rays total | 27 - 29 |
Pectoral | Attributes other (see diagnosis) |
Spines 0 | |
Soft-rays 22 - 24 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |