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

Sex attributes

Specialized organs
Different appearance males alike females
Different colors males alike females

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section compressed
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

Stripes black to red above, with thin white interspaces. Black peduncular blotch and additional blotches at soft dorsal and anal fin bases that vary greatly in size between individuals or habitats. Large spine in anal fin blue (Ref. 48635). Alternating broad deep red and narrow silvery stripes on body. 1-6 spinules on posterior edge and 0-1 on anterior of nasal fossa. Preopercular spine 3/4 to nearly equal to orbit diameter. Four (4) oblique rows of scales on cheek. Body depth 2.7-3.0 in SL; head length 2.8-3.0 in SL; snout length 4.4-4.85 in head length; interorbital width 4.3-4.7 in head length; premaxillary groove extending slightly posterior to a vertical at anterior edge of orbit; anterior end of nasal bone ending in short spine that angles laterally; medial margin of nasal bone without spinule; 1-6 spinules at posterior edge of nasal fossa, 0-1 at anterior edge; upper edge of first suborbital bone with a laterally projecting spine near a vertical at the front edge of orbit, followed by a serrated ridge; preopercular spine varying from 3/4 to nearly equal to orbit diameter, 2.85-3.5 in head length; longest dorsal spines 3rd or 4th, 1.8-2.0 in head length; third anal spine 1.1-1.3 in head length (Ref. 27370).

Ease of Identification

Meristic characteristics of Sargocentron cornutum

Lateral Lines 1 Interrupted: No
Scales on lateral line 33 - 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 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 9 - 11
on upper limb 5 - 7
total 14 - 18


Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 11 - 11
Soft-rays total 12 - 13
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 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   13 - 14
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 )
Entered by Capuli, Estelita Emily
Modified by Reyes, Rodolfo B.
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