Morphology Data of Oreoglanis sudarai
Identification keys
Abnormalities
Main Ref. Vidthayanon, C., P. Saenjundaeng and H.H. Ng, 2009
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Belongs to the Oreoglanis siamensis species group as it possesses a distinct median notch on the posterior margin of the lower lip. Can be distinguished from other members of the genus in having a combination of the following characters: long nasal barbel reaching to anterior orbital margin, maxillary barbel with pointed tip, tip of pectoral fin not reaching pelvic-fin origin, caudal peduncle length 16.7-22.6 % SL, eye diameter 9.8-14.3 % HL, and an emarginate caudal fin (Ref. 83406).

Description: Dorsal fin rays i,5 or i,6; anal fin rays iii,3,i, i,4 or i,5; pectoral fin rays i,17, i,18 , i,19 or i,20; pelvic fin rays i,5. Paired fins greatly enlarged, forming ovoid adhesive disc with body (Ref. 83406).

Ease of Identification

Meristic characteristics of Oreoglanis sudarai

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
Vertebrae
preanal
total 39 - 40

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 0 - 0
Soft-rays total 6 - 7
Adipose fin present

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 5 - 6

Paired fins

Pectoral Attributes  other (see remarks)
Spines     0
Soft-rays   18 - 21
Pelvics Attributes  other (see remarks)
Position    abdominal  behind origin of D1
Spines     
Soft-rays   6 - 6
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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