Morphology Data of Pterygotrigla robertsi
Identification keys
Abnormalities
Main Ref. Richards, W.J. and T. Yato, 2014
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 fusiform / normal
Cross section angular
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: presence of buckler in advance of D1 fin; no antrorse AIO spine; short anterior AIO spines (7-10% SL); long pectoral fin (47-55% SL), its first free ray long (33% SL); eye moderate (10-11% SL); long snout (16-20% SL), nape and breast scaleless; belly with scales; 9-12 short gill rakers (2%SL); dark pigment on dorsum of holotype (Ref. 95016).

Ease of Identification

Meristic characteristics of Pterygotrigla robertsi

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

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 8 - 8
Soft-rays total 12 - 12
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 12 - 12

Paired fins

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