Morphology Data of Priolepis nocturna
Identification keys
Main Ref. Winterbottom, R. and M. Burridge, 1993
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished by the following characters: no fraenum; lateral line scale series 28 or more; pectoral fin rays 20 or more; nape and body with 4 broad dark bars on a light background; anterodorsal region of the caudal fin with an ocellated eye-sized dark spot (Ref. 9018); characterized further by having a pair of bands below eye; large partially ocellated black spots on both dorsal fins; ctenoid body scales to level of second dorsal spine, cycloid anteriorly, including base of pectoral fin, breast and ventrally on abdomen; head and median part of nape without scales; side of nape to above middle of opercle with small embedded scales; cheek without vertical row of papillae; depth of body 4.1 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Priolepis nocturna

Lateral Lines Interrupted: No
Scales on lateral line 28 - 31
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 12 - 16
on upper limb 4 - 5


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 7 - 7
Soft-rays total 10 - 10
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   20 - 20
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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