Morphology Data of Johnius philippinus
Identification keys
Abnormalities
Main Ref. Sasaki, K., 1999
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
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales cycloid and ctenoid scales
Diagnosis

Eye diameter 28-35% HL; interorbital width 23-28% HL; upper jaw length 37-44% HL; lower jaw length 45-53% HL. Anterior margin of snout broadly rounded from dorsal aspect; rounded chin; 3 pairs of mental pores, 1st pair close together, opening in a common pit on ventral aspect of chin; upper jaw enlarged without strong anterior teeth; spinous dorsal fin without scales; last well-developed pleural rib on 11th vertebra; lateral line without conspicuous white streak (Ref. 35863)

Ease of Identification

Meristic characteristics of Johnius philippinus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 5 - 6
Scale rows below lateral line 10 - 13
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 10 - 12
on upper limb 5 - 6
total 15 - 18
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 11 - 11
Soft-rays total 29 - 32
Adipose fin absent

Caudal fin

Attributes pointed; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     
Soft-rays   
Back to Search
Comments & Corrections
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17