Morphology Data of Anoptoplacus pygmaeus
Identification keys
Abnormalities
Main Ref. Smith-Vaniz, W.F., 2017
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 oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This miniature species is distinguished by the following reductive character states: laterosensory canal system of head and body is reduced; scale rows in longitudinal series 20-23, oblique; with low number of caudal-fin rays (14 segmented, middle 10 branched, 4 procurrent); A I, 9; dorsal-fin elements total 20-21; upper lip darkly pigmented and presence of a black stripe on basal third to fourth of dorsal fin (Ref. 114925).

Ease of Identification

Meristic characteristics of Anoptoplacus pygmaeus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 20 - 23
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 18 - 21
on upper limb 11 - 11
total 27 - 32
Vertebrae
preanal 10 - 10
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 10 - 11
Soft-rays total 11 - 11
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 1 - 1
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   21 - 22
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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