Morphology Data of Pseudomystus siamensis
Identification keys
Abnormalities
Main Ref. Kottelat, M., 1998
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 sub-terminal/inferior
Type of scales
Diagnosis

Irregular vertical bars on a yellowish to dark grey background (sometime plain dark body); hyaline caudal fin with or without a single black blotch on each caudal lobe; short barbels (maxillary barbels not reaching base of pectoral spine); body depth at dorsal-fin origin larger than head width; a high, rounded adipose fin (Ref. 27732).

Ease of Identification

Meristic characteristics of Pseudomystus siamensis

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 10 - 10
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 1 - 1
Soft-rays total 7 - 7
Adipose fin present

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number
Spines total
Soft-rays total 16 - 17

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    abdominal  behind origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17