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Nomorhamphus kolonodalensis Meisner & Louie, 2000 |
| Family: | Zenarchopteridae (Internally fertilized halfbeaks) | |||
| Max. size: | 6.79 cm SL (male/unsexed) | |||
| Environment: | pelagic; freshwater; depth range - 0 m | |||
| Distribution: | Asia: Indonesia. | |||
| Diagnosis: | Dorsal soft rays (total): 10-12; Anal soft rays: 10-12; Vertebrae: 37-39. Differs from N. towoetii and N. celebensis which are also found in Kolonodale in having a short lower jaw 8.8-22.2 times in SL (versus upper and lower jaws about the same length); long upper jaw (length/width 1.1-2.1 versus 0.7-1.3). Gill rakers teardrop shaped usually without teeth (versus with many teeth). Fifth hypural partially separate from dorsal hypural plate along most of its length (versus completely fused) (Ref. 45130). | |||
| Biology: | A viviparous species collected from a variety of habitats including small, clear, cool mountain streams with rocky, muddy bottoms; shallow pools (0.02-0.50 m); muddy shorelines among tangles of roots; the base of small waterfalls among reeds; and under riverine canopies. (Ref. 45130). | |||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 17 January 2020 (B1b(iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||