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
Country info:   
 


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