Main Ref. | Randall, J.E., 1998 |
Appearance refers to | |
Bones in OsteoBase | Skull, Spine |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | compressed |
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 |
Body with subequal stripes of brownish red and silvery white; spinous dorsal dark red with a large, quadrangular, whitish blotch in middle of each membrane (except the first) forming a median band; dorsal membrane tips white, except posteriorly (Ref. 4201). Five oblique scale rows on cheek; body depth 2.5-2.8 in SL; head length (HL) 2.65-2.85 in SL; short and blunt snout, its length 4.25-4.7 in HL; interorbital width 4.5 in HL; mouth terminal to slightly inferior, maxilla usually extending nearly to or a short distance beyond a vertical through center of eye, upper jaw length 2.5-2.75 in HL; premaxillary groove often ending above anterior edge of orbit; anterior end of nasal bone with a blunt spine; surface or medial edge of nasal bone spineless; nasal fossa usually without spinules on its edge; upper edge of 1st suborbital bone with a slightly retrorse lateral spine a short distance posterior to a vertical at front edge of eye, followed by a ridge of recumbent spinules; preopercular spine usually about 2/3 orbit diameter, 3.2-5.3 in HL; 3rd-5th dorsal spines subequal, longest in adults 1.9-2.3 in HL; 3rd anal spine 1.35-1.6 in HL (Ref. 27370). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 34 - 38 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 2.5 - 2.5 |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 9 - 12 |
on upper limb | 6 - 8 |
total | 15 - 20 |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 1notched No |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 11 - 11 |
Soft-rays total | 12 - 14 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 4 - 4 |
Soft-rays total | 8 - 10 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 13 - 15 | |
Pelvics | Attributes more or less normal |
Position thoracic behind origin of D1 | |
Spines 1 | |
Soft-rays 7 - 7 |