Main Ref. | Carpenter, K.E. and G.R. Allen, 1989 |
Appearance refers to | Male; Female |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | oval |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | terminal |
Type of scales | ctenoid scales |
Diagnosis |
Description: Horizontal blue lines on the snout are distinctive (Ref. 37816, 48635). Forehead profile is moderately steep. Large adults develop a bony ridge on the nape and a bony shelf over the front part of the eye. The inner surface of the pectoral fin axil without scales. Overall color is silvery with thin brown scale margins. The anterior half of the head is often brown with a series of narrow undulating, longitudinal lines on the cheek and side of the snout. Fins are yellow or orange; caudal fin is frequently dusky brown; a narrow brown bar across the base of pectoral fins. Juveniles under about 25 cm SL often with 5 or 6 dark bars on the side and a dark bar below the eye (Ref. 2295). Body depth 2.4-2.5 in SL (Ref. 90102). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 50 - 51 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 5.5 - 5.5 |
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 | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 10 - 10 |
Soft-rays total | 10 - 10 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 10 - 10 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 14 - 14 | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |