| Family: |
Gasterosteidae (Sticklebacks and tubesnouts) |
| Max. size: |
5.5 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
Asia: Japan; North America: Mexico (Ref. 47709). Needs better reference. |
| Diagnosis: |
|
| Biology: |
Adults are confined to small streams (Ref. 559). Feed on aquatic insects and other invertebrates (Ref. 559). Males build nests on muddy bottoms and guards eggs and young for several weeks (Ref. 559). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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