Morphology Data of Melichthys niger
Identification keys
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 short and / or deep
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Diagnosis

A dark greenish-black triggerfish with purplish overtones. Pale blue lines along bases of soft dorsal and anal fins. Scales of rear part of body have prominent keels that form longitudinal ridges (Ref. 26938).

Description: Characterized further by having prominent longitudinal ridges following scale -rows of posterior body; deep groove in front of eye; 57-66 body scale rows from upper end of gill opening to caudal fin base; slightly rounded caudal fin to double emarginate (Ref. 90102).

Ease of Identification

Meristic characteristics of Melichthys niger

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 57 - 66
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 36 - 37
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 3 - 3
Soft-rays total 30 - 35
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 0 - 0
Soft-rays total 28 - 31

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   15 - 17
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Valdestamon, Roxanne Rei
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17