| Family: |
Ehiravidae (River sprats) |
| Max. size: |
9 cm SL (male/unsexed) |
| Environment: |
pelagic; freshwater |
| Distribution: |
Asia and Oceania: Indonesia (Lorentz River, Irian Jaya) and Papua New Guinea (Fly River); probably in other southwest-flowing rivers in area. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-18; Anal spines: 0-0; Anal soft rays: 16-27. Body moderately deep, belly sharply keeled, with 9 to 12 + 7 to 9 scutes. Snout blunt, pre-maxillae short and toothless, but prominent teeth in lower jaw; second supra-maxilla short, a little over half length of maxilla blade. Pectoral axillary scale small, less than 1/3 length of fin. A silver stripe along flank. |
| Biology: |
The only clupeid in the world known to inhabit mountainous rivers (Ref. 2847). Occurs in streams with gravel or stony bottoms and feeds primarily on aquatic insect larvae (Ref. 2847). |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 02 March 2017 (B2ab(iii,iv)) Ref. (130435)
|
| Threat to humans: |
harmless |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.
