Morphology Summary - Mustura arenaria
Morphology Data of Mustura arenaria
Identification keys
Abnormalities
Main Ref. Lyu, J.-B., F. Lin, T.N. Oo and X.-Y. Chen, 2026
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  (shape guide) elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished from its congeners by the following set of characters: 7-15 lateral blotches alternating with 9-17 saddles, distinctly narrower than interspaces; blotches more elongated in females and more rounded in males; two dark stripes extending from snout tip to the anterior dorsum of eye, forming an 'X' pattern, but not fused; a pair of blotches surrounding the fontanel, extending from posterior dorsal of eye to nape, and forming a triangle marking; 8½ branched dorsal-fin rays; 8+8 branched caudal-fin rays; lateral line complete; axillary pelvic lobe present; and upper lip with a small notch (Ref. 138782).

Ease of Identification

Meristic characteristics of Mustura arenaria

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

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 8 - 8
Adipose fin absent

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 5 - 5

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   9 - 10
Pelvics Attributes  
Position    
Spines     
Soft-rays   6 - 6
(e.g. 9948)
(e.g. oophagy)
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