Morphology Data of Ptereleotris caeruleomarginata
Identification keys
Abnormalities
Main Ref. Allen, G.R. and M.V. Erdmann, 2012
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 elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Description: Characterized by mainly bluish body color; iridescent blue stripe from middle of nape to end of dorsal fin on upper back; horizontal Y-shaped yellow mark on cheek and opercle, stem of Y forming stripe below eye and bifurcate part of Y on opercle, extending onto base of pectoral fin; yellowish brown caudal fin with dorsal edge narrowly blue, lower lobe broadly blue; dorsal rays VI+I,25; anal rays I,24; pectoral rays 22; very small scales in longitudinal scale series, approximately 175; gill rakers 6+14; depth of body at origin of pelvic fin 6.7 in SL; head length 4.9 in SL; low median fleshy ridge on chin; caudal fin asymmetrically rounded, dorsal half more posterior; vertebrae 26 (Ref. 90102).

Ease of Identification

Meristic characteristics of Ptereleotris caeruleomarginata

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 14 - 14
on upper limb 6 - 6
total
Vertebrae
preanal
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 6 - 7
Soft-rays total 25 - 25
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 24 - 24

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   22 - 22
Pelvics Attributes  
Position    
Spines     1
Soft-rays   4 - 4
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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