Morphology Data of Coptodon bythobates
Identification keys
Main Ref. Stiassny, M.L.J., A. Lamboj, D. De Weirdt and G.G. Teugels, 2008
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Diagnosis: lower pharyngeal jaw slender and gracile, with a reduced dentigerous plate; gill filaments of first arch short (ca. 10% of head length); 13-16 fleshy gill rakers on first arch; anterior gill rakers not markedly reduced in size (Ref. 81260).

Description: body moderately slender (Ref. 52307). Head relatively large, not massive (Ref. 52307), its length 35.6-42.3% SL (Ref. 81260). Lower pharyngeal jaw with weakly bicuspid, curved anterior teeth and straight bicuspid posterior teeth; ventral keel shorter than dentigerous plate; 2-3 rows of teeth in upper jaw, outer row teeth usually bicuspid, but occasionally unicuspid (Ref. 81260).

Coloration: reddish bronze, darkest dorsally on flanks; snout, cheek and opercle blood-red; upper lip black, lower lip brilliant white (Ref. 52307, 81260). Belly reddish bronze; slight whitish tinge to fleshy base of pectoral fin; well marked black opercular spot; dorsal fin dusky-black with reddish hue over soft ray membrane; caudal fin red proximally, with black distal border and lower lobe; anal fin red proximally, with black distal border; pelvics black; pectoral fins reddish (Ref. 81260).

Ease of Identification

Meristic characteristics of Coptodon bythobates

Lateral Lines Interrupted: No
Scales on lateral line 28 - 30
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 13 - 16
on upper limb


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total 14 - 16
Soft-rays total 11 - 12
Adipose fin absent

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 7 - 9

Paired fins

Pectoral Attributes  
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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