Morphology Data of Choerodon cypselurus
Identification keys
Main Ref. Gomon, M.F., 2017
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section flattened
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Diagnosis. D XII,8; A III,10; pectoral fin rays ii,14 (rarely 15), dorsalmost ray moderate length 30.7-30.9% pectoral fin length, ventralmost rays shorter than those above, posterior edge of fin obliquely straight, dorsoposterior corner bluntly pointed, posteroventral corner angular; deep body 39.8-40.7% SL, head depth 29.2-31.2% SL, caudal peduncle depth 12.2-13.0% SL; blunt head, dorsal profile of snout moderately steep, snout length 12.2-15.8% SL; predorsal scales approximately 5 and reaching forward on dorsal midline to or just in advance of posterior edge of preopercle; cheek is partially covered by small, mostly embedded scales in about 8 vertical rows, the posteriormost with about 10 scales to upper extent of free preopercular edge, reaching forward almost to corner of upper lip crease, with broad naked margin posteriorly and ventrally on preopercle; subopercle has a row of about 10 large embedded scales adjacent ventral edge of preopercle extending forward to just short of below anterior extent of free ventral preopercular edge; each lateral line scale has an unbranched laterosensory canal tube; scales above the lateral line about 2½; cephalic sensory canal pores are moderately numerous confined to lines or short branches associated with major canals; a second pair of canines in lower jaw is directed dorsolaterally and slightly posteriorly; dorsal and anal fins with very low basal sheath comprising 1-3 progressively smaller accessory scales at the deepest; posterior lobe of dorsal and anal fins almost reaching the hypural crease; caudal fin double emarginate, the upper and lower lobes distinctly but not greatly produced, posterior margin of fin concave, smoothly curved; pelvic fin reaching anus, length 21.4-22.4% SL; colour uniformly pale in preservative (Ref. 116605).

Ease of Identification

Meristic characteristics of Choerodon cypselurus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 2.5
Scale rows below lateral line 8.5
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 9 - 9
preanal 10 - 10
total 27 - 27


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 12 - 12
Soft-rays total 8 - 8
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 10 - 10

Paired fins

Pectoral Attributes  
Soft-rays   14 - 15
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17