| Family: |
Osmeridae (Smelts) |
| Max. size: |
17 cm TL (male/unsexed) |
| Environment: |
pelagic-neritic; freshwater; brackish; marine, anadromous |
| Distribution: |
Asia: Japan to the Korean Peninsula (not confirmed by Ref. 33312). USA report adverse ecological impact after introduction. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 8-10; Anal spines: 0-0; Anal soft rays: 12-19; Vertebrae: 53-57. Vomer T-shaped with well-developed posterior process; periphery of glossohyal bone with single row of conical teeth, central part toothless; gill rakers 10(7-11) + 23(20-25) = 32(29-36); pyloric caeca 4(1-6); base of adipose fin less then 20% of head length; eye large; adipose eyelid absent. |
| Biology: |
Found in open water of impoundments and their tributaries, in fresh and brackish water. Primarily a brackish water species (Ref.33312). Anadromous (Ref. 37812). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 16 March 2020 Ref. (130435)
|
| Threat to humans: |
potential pest |
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