Morphology Data of Xiurenbagrus gigas
Identification keys
Abnormalities
Main Ref. Zhao, Y., J. Lan and C. Zhang, 2004
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Distinguished from all other species of Amblycipitidae by the following combination of characters: two patches of vomerine teeth; gill rakers 7-9; head large (head length 27.9%-34.9% SL; head depth 14.4-17.9% SL; and head width 22.4-29.4% SL; adipose fin low (4.6-6.0% SL); distance from dorsal origin to adipose origin short (25.7-32.0% SL); dorsal fin (21.2-24.9%SL), pectoral fin (18.4-20.7% SL) and pelvic fin (13.1-14.3% SL) long (Ref. 54505).

Description: dorsal-fin rays i,6; anal-fin rays iv,8, 9; pectoral-fin rays i,8; pelvic-fin rays i,5, 6 (Ref. 54505).

Ease of Identification

Meristic characteristics of Xiurenbagrus gigas

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 8
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 7 - 9
Vertebrae
preanal
total 40 - 43

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 7 - 7
Adipose fin present

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 14 - 15

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   9 - 9
Pelvics Attributes  
Position    abdominal
Spines     
Soft-rays   6 - 7
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