Morphology Data of Hemimyzon yushanensis
Identification keys
Abnormalities
Main Ref. Chen, I.-S., T. Harefa, Y.-C. Chang and C.-C. Han, 2022
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 compressed
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 following set of characters: D 3 + 8; pectoral fin rays 11-13 + 9-11 (total 22–23; modally 22); lateral-line scales 69-72 (modally 70); predorsal scales 25-30 (26-27); pelvic fin moderately large, extending to rear vertical of dorsal fin; position of anus with larger distance of pelvic rear tip to anus about 1.5-2.0 times of that of anus to anal fin origin. Colouration of predrorsal region and head with rounded creamy yellow spots, pectoral and pelvic fins have several small whitish spots on greenish brown background (Ref. 127451).

Ease of Identification

Meristic characteristics of Hemimyzon yushanensis

Lateral Lines Interrupted: No
Scales on lateral line 69 - 72
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 3 - 3
Soft-rays total 8 - 8
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 5 - 5

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   22 - 23
Pelvics Attributes  
Position    
Spines     
Soft-rays   13 - 15
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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