Morphology Data of Opistognathus ocellicaudatus
Identification keys
Abnormalities
Main Ref. Smith-Vaniz, W.F., 2023
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
Type of scales
Diagnosis

This species is distinguished by the following characters: a rigid upper jaw lacking a flexible lamina posteriorly; D XI,11; A II,11; vertebrae 10 + 16; scale rows in horizontal series 42; lateral-line terminus below segmented dorsal-fin rays 2-3; gill rakers 11 + 23; spinous dorsal fin with a large blackish blotch between spines 3-7 and soft dorsal fin with two ocellated blotches ringed by white on proximal half of fin, the first brown and between rays 1-6 and the second black and between rays 9-11; distal third of the soft dorsal and anal fins yellow; head uniformly brown; with a small black blotch on opercular flap; caudal-fin base black followed posteriorly by white vertical band continuous with large dark ocellus ringed by white on middle of fin, the rest of the fin yellow; pelvic fin is yellow (Ref. 128653).

Ease of Identification

Meristic characteristics of Opistognathus ocellicaudatus

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 23 - 23
on upper limb 11 - 11
total
Vertebrae
preanal 10 - 10
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 11 - 11
Soft-rays total 11 - 11
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 11 - 11

Paired fins

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