| Family: |
Melanotaeniidae (Rainbowfishes, blue eyes) |
| Max. size: |
6.35 cm SL (male/unsexed); 6.81 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Asia: Trangan Island and Kobroor Island in Aru Islands, Indonesia. |
| Diagnosis: |
Dorsal spines (total): 4-6; Dorsal soft rays (total): 11-15; Anal spines: 1-1; Anal soft rays: 20-23. Melanotaenia senckenbergianus is distinguished by the following combination of characters: IV-VI-I,11-15 (usually VVI- I,12-13) dorsal-fin rays; I,20-23 (rarely 23) anal-fin rays; 13-15 (usually 14) pectoral-fin rays; 34-36 scales on lateral line; 16-19 (rarely 19) predorsal scales; 15-24 (average 19.6) cheek scales; 17-18 total gill rakers on first arch; greatest body depth of adult male 35.9 % SL; color in life generally greenish brown dorsally, grading to silvery white to pale yellow ventrally
with midlateral, dark blue stripe, 1-2 scale rows wide, extending from rear margin of eye to caudalfin
base, usually faint or interrupted on middle of side; operculum with prominent red spot, smaller
than pupil (Ref. 110723). |
| Biology: |
Inhabits creeks and small rivers flowing through primary rainforest and second growth forest and gardens, as well as tree-lined creeks in relatively open savannah. Syntopic with either Melanotaenia albimarginata, M. aruensis, or M. patoti as well as other fishes such as Craterocephalus, Mogurnda, Glossamia, and Glossogobius (Ref. 110723). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 03 December 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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