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 |
A member of the Betta akarensis group distinguished from other members by possessing the following combination of characters: opercle with interrupted second postorbital stripe; eye color orange when alive; anal-fin rays 27-30; subdorsal scales 6-7; lateral scales 29-30; predorsal scales 21-24; postdorsal scales 10-12; preanal length 48.5-52.6% SL ; head length 32.6-37.5% SL; length of anal-fin base 47.8-55.4% SL (Ref. 56613). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 29 - 30 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 15 - 16 |
Scale rows below lateral line | 6 - 6 |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total | 30 - 31 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | 0 - 2 |
Soft-rays total | 8 - 9 |
Adipose fin |
Attributes | more or less truncate |
Fins number | |
Spines total | 0 - 3 |
Soft-rays total | 27 - 27 |
Pectoral | Attributes |
Spines | |
Soft-rays 12 - 12 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |