Morphology Summary - Xeniamia atrithorax
Morphology Data of Xeniamia atrithorax
Identification keys
Abnormalities
Main Ref. Fraser, T.H. and A.M. Prokofiev, 2016
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)
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This miniature species (less than 3.0 cm SL) is distinguished by the following characters: with a large melanophore patch anterior to insertion of pelvic fin, extending forward on each side of isthmus, progressively thinning out; black stomach, anterior intestine pale with black spots black intestine from second bend; interior of lower gill chamber blackish with concentrated melanophores extending forward to dorsal part of isthmus; D VIII-I,9 with eighth dorsal spine visible, fourth dorsal spine longer than third; A II,8; first gill arch with 9 gill rakers (Ref. 110227).

Ease of Identification

Meristic characteristics of Xeniamia atrithorax

Lateral Lines Interrupted: No
Scales on lateral line 20 - 22
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 8 - 8
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 8
on upper limb 1
total 9
Vertebrae
preanal 10 - 10
total 24 - 24

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 9 - 9
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   14 - 14
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
(e.g. 9948)
(e.g. oophagy)
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