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 | terminal |
Type of scales | cycloid scales |
Diagnosis |
Melanotaenia aruensis is distinguished by the following combination of characters: V to VII-I,10-13 dorsal-fin rays; I,20-23 anal-fin rays; 14-15 pectoral-fin rays; 34-36 scales on lateral line, 15-18 predorsal scales; 13-19 cheek scales; 17-18 total gill rakers on first arch; greatest body depth of adult male 35.1 % SL; least depth of caudal peduncle 9.5-11.1 % SL; colour in life grey-brown dorsally on head, nape, and adjacent anterodorsal portion of body; posterior two-thirds of upper half of body bluish grey with narrow bronze margin around each scale and bronze stripe between each horizontal scale row; dorsal and caudal fins semitranslucent grey, second dorsal fin with relatively broad whitish margin (Ref. 110723). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 34 - 36 |
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 | 5 - 7 |
Soft-rays total | 10 - 13 |
Adipose fin | absent |
Attributes | forked |
Fins number | |
Spines total | 1 - 1 |
Soft-rays total | 20 - 23 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 14 - 15 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |