Morphology Data of Sargocentron macrosquamis
Identification keys
Main Ref. Randall, J.E., 1998
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

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

Body red with silvery reflections on many scales, shading to silvery white on lower part of the head, thorax, and anterior abdomen, scale edge light red; 5-6 oblique scale rows on cheek; body depth 2.3-2.7 in SL; head length (HL) 2.45-2.65 in SL; snout length 3.6-4.0 in HL; interorbital width 5.0-5.4 in HL; mouth terminal to slightly inferior; maxilla extending to a vertical at front edge of pupil or slightly before or beyond to it; upper jaw length 2.85-3.2 in HL; anterior end of nasal bone rounded; moderately large, spineless nasal fossa; upper surface of nasal bone between nasal fossa and edge of premaxillary groove with a retrorse spine; median edge of nasal bone with a retrorse spine and sometimes another anterior to it; preopercular spine 1.6-2.2 in orbit diameter, 4.75-6.4 in HL; spinules on posterior margin of preopercle 31 (on a 4.6 cm SL specimen) to 33-46 (6.25-6.85 cm); 3rd-5th dorsal spines subequal, the longest, 1.85-2.25 in HL; 3rd anal spine 1.45-1.75 in HL; broadly rounded caudal fin lobes (Ref. 27370)

Ease of Identification

Meristic characteristics of Sargocentron macrosquamis

Lateral Lines Interrupted: No
Scales on lateral line 40 - 45
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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 10 - 12
on upper limb 5 - 6
total 15 - 18


Dorsal fin(s)

Fins number 1notched No
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 11 - 11
Soft-rays total 13 - 14
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 4 - 4
Soft-rays total 9 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   14 - 16
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   7 - 7
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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