Morphology Data of Rhodeus laoensis
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Having last simple dorsal and anal rays strong and stiff (but not a spine); 11 branched dorsal rays; 13 branched anal rays; 32-33+1-2=33-35 scales in longitudinal series; predorsal fin profile of males slightly concave; pelvic, dorsal and anal fins of males with narrow black distal margins; very narrow stripe along the posterior side of males (Ref. 27732); and long ovipositor present in front of anal fin of females (Ref. 43281).

Ease of Identification

Meristic characteristics of Rhodeus laoensis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 6 - 8
Scales in lateral series 33 - 35
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   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 13 - 13
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 15 - 15

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   12 - 13
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     0
Soft-rays   8 - 8
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