Morphology Data of Peristedion richardsi
Identification keys
Abnormalities
Main Ref. Kawai, T., 2016
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
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

This species distinguished by the following characters: D 22; A 21-22 ; bony plates in dorsal row 31-33, in bony plates in upper lateral row 37-38; total chin barbels 21-22; anterior edge of 4th sensory pore of rostral projection is located anterior to anterior edge of premaxilla; perifacial rim prominent starting near anterior margin of lower jaw; spatulate rostral projection with a very narrow interspace between both rostral projections, rostral projection width 1.33-1.73 in interspace between both rostral projections; rostral projection with straight margin on the medial side at base; the upper free pectoral ray is longer than joined pectoral fin (Ref. 119302).

Ease of Identification

Meristic characteristics of Peristedion richardsi

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
Finlets No. Dorsal   
Ventral  
Spines total 8 - 8
Soft-rays total 22 - 22
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 21 - 22

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   13 - 14
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
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