Main Ref. | Allen, G.R., R.K. Hadiaty, P.J. Unmack and M.V. Erdmann, 2015 |
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 | cycloid scales |
Diagnosis |
Melanotaenia kolaensis is distinguished by the following combination of characters: IV-VI-I,12-13 dorsal-fin rays; I,18-21 anal-fin rays; 13-14 (most frequently13) pectoral-fin rays; 33-34 (rarely 34) scales on lateral line, 14-16 predorsal scales; 17-23 cheek scales; 16-18 total gill rakers on first arch; greatest body depth of adult male 36.2 % SL; colour in life generally light blue to blue-green on back; dark blue midlateral stripe (1-2 scales wide), especially conspicuous on posterior third of body, edged below with prominent white to pale blue stripe that occupies lowermost part of caudal peduncle, extending forward to middle of sides; ventral portion of body greyish-white to pale blue except pair of dark blue, irregular stripes often present above anal fin and large, bright blue patch just behind and below pectoral-fin base; second dorsal, anal and caudal fins with reddish suffusion (Ref. 110723). |
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 | 17 - 18 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 4 - 6 |
Soft-rays total | 12 - 13 |
Adipose fin | absent |
Attributes | forked |
Fins number | |
Spines total | 1 - 1 |
Soft-rays total | 18 - 21 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 13 - 14 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |