Morphology Data of Psednos platyoperculosus
Identification keys
Abnormalities
Main Ref. Stein, D.L., 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

This species is distinguished by the following characters: vertebrae 59, pectoral fin rays 16-17, caudal fin rays 6, pyloric caeca 7; body humpbacked; mouth angle about 40°; gill opening above pectoral and extending ventrally in front of 1-3 rays, about 1/4 HL; opercle a broad stout shaft dorsally, widening at level of gill opening and then narrowing to form a sharp posteroventrally pointing tip reaching to behind pectoral fin base; small symphyseal pores are widely separated, obscure; short abdomen ca 80% HL; body whitish, pyloric caeca reticulated black at base and for about 1/2 length, pale distally (Ref. 92437).

Ease of Identification

Meristic characteristics of Psednos platyoperculosus

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 59 - 59

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 49 - 50
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 43 - 44

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   16 - 17
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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