Morphology Data of Proteracanthus sarissophorus
Identification keys
Abnormalities
Main Ref. Heemstra, P.C., 2001
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
Type of scales
Diagnosis

Greenish brown dorsally, paler on flanks, silvery below, the scales dark edged, forming dark longitudinal lines. Body oblong and compressed, its depth 1.9 to 2.1 times in SL. Head length 3.4 to 3.7 times in SL. Dorsal head profile evenly curved from snout to dorsal-fin origin. Mouth subterminal, the upper jaw not protrusible, projecting somewhat in front of lower jaw. Jaws with bands of slender, flattened, tricuspid teeth, the middle cusp slightly longer than lateral cusps. No teeth on vomer or palatines. Five pores on each side of lower jaw. Preopercle smooth except for a few weak, skin-covered serrae at the angle. Opercle ending in 2 blunt points. Branchiostegal membranes broadly joined to isthmus. First gill opening constricted. Hypobranchial connected to quadrate by skin (Ref 43039).

Ease of Identification

Meristic characteristics of Proteracanthus sarissophorus

Lateral Lines 1 Interrupted: No
Scales on lateral line 60 - 63
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 1
Finlets No. Dorsal   
Ventral  
Spines total 10
Soft-rays total 14 - 16
Adipose fin

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3
Soft-rays total 13 - 15

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   19
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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