Main Ref. | Tan, H.H. and P.K.L. Ng, 2005 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Diagnosed from other members of the Betta splendens group by the following combination of characters: up to 5 rows of black rounded marks on interradial membranes of dorsal fin; up to 9 rows of transverse black bars on caudal fin; up to 7 vertical rows of dark marks on posterior edge of scale on body; lateral scales 33-34 (mode 33), predorsal scales 24-25 (mode 25); postdorsal length 17.5-20.1% SL; body depth 26.2-27.7% SL; caudal peduncle depth 15.4-17.4% SL; length of dorsal-fin base 15.2-15.6% SL; orbit diameter 27.7-29.7% HL; postorbital length 45.9-50.0% HL; interorbital width 26.4-31.6% HL (Ref. 56613). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 33 - 34 |
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 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 10 - 11 |
Adipose fin | absent |
Attributes | more or less truncate |
Fins number | |
Spines total | |
Soft-rays total | 27 - 29 |
Pectoral | Attributes |
Spines | |
Soft-rays 12 - 12 | |
Pelvics | Attributes |
Position behind origin of D1 | |
Spines | |
Soft-rays |