Morphology Data of Gymnothorax melatremus
Identification keys
Abnormalities
Main Ref. Myers, R.F., 1991
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral eel-like
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Golden in color with dark spot around gill opening (Ref. 3257). May also be variable from brown to bright golden yellow and eye with deep blue color (Ref. 48635). Has short conical teeth like those of G. fuscomaculatus and G. marshallensis (Ref. 37816). Further characterized by body depth at gill opening 13-20 in TL; origin of dorsal fin about midway between gill opening and corner of mouth; anus anterior to middle of body; small and stout teeth; without canines; single row of teeth at front of upper jaw; with 1-2 median teeth; teeth in two rows on each side of upper jaw; longer and more slender inner row teeth; larger teeth at front of lower jaw (Ref. 90102).

Ease of Identification

Meristic characteristics of Gymnothorax melatremus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 132 - 149

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 0 - 0
Soft-rays total 0 - 0
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 0 - 0
Soft-rays total 0 - 0

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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