Morphology Data of Rhabdosargus niger
Identification keys
Abnormalities
Main Ref. Tanaka, F and Y. Iwatsuki, 2013
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 compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished from its congeners by the following set of characters: D XI,13; A III, 11; 11-12 scale rows below lateral line; 5.5 scale rows between the fifth dorsal-fin spine base and lateral line; 53-55 pored lateral-line scales; scaleless preopercular flange; 8-9 gill rakers on the lower limb; head and body silvery-black; no golden longitudinal line on the body; pelvic and anal fins are dusky gray (Ref. 94713).

Ease of Identification

Meristic characteristics of Rhabdosargus niger

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 53 - 55
Scales in lateral series
Scale rows above lateral line 5.5 - 5.5
Scale rows below lateral line 11.5 - 12.5
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 8 - 9
on upper limb 5 - 6
total 13 - 15
Vertebrae
preanal 10 - 10
total 24 - 24

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 11 - 11
Soft-rays total 13 - 13
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 3 - 3
Soft-rays total 11 - 11

Paired fins

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