Morphology Data of Dysomma taiwanense
Identification keys
Abnormalities
Main Ref. Ho, H.-C., D.G. Smith and K.A. Tighe, 2015
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 eel-like
Cross section circular
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: with pectoral fin; dorsal-fin origin slightly in front of level of pectoral-fin base; anus is well behind tip of pectoral fin; very short trunk; 2 intermaxillary teeth; 4 compound teeth on vomer; single row of 7-10 large compound teeth on lower jaw; head pores: IO 4, SO 3, M 6, POP 0, AD 1, F 0, ST 0; lateral-line pores: predorsal 4-5, prepectoral 5-7, preanal 9-12, total 40-48, he last to about half of total length; vertebrae: predorsal 9-10, preanal 13-17, total 137-139; MVF 9-15-138; colour of body uniformly brownish, with the lower part of posterior one-eighth of body darker, with black base and margin on rear part of anal fin and lower part of caudal fin (Ref. 106136).

Ease of Identification

Meristic characteristics of Dysomma taiwanense

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 40 - 45
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 137 - 139

Fins

Dorsal fin(s)

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

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

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