| Family: |
Gasterosteidae (Sticklebacks and tubesnouts) |
| Max. size: |
6.4 cm TL (male/unsexed); max. reported age: 3 years |
| Environment: |
benthopelagic; freshwater; brackish; marine; depth range 0 - 3 m |
| Distribution: |
Western Atlantic: Gulf of St. Lawrence in Canada to North Carolina, USA. Mainly a near-shore marine species, but far inland populations occur in lakes in Nova Scotia in Canada and in Hudson, Delaware and Susquehanna River drainages (Ref. 5723). |
| Diagnosis: |
|
| Biology: |
Adults occur mainly along weedy bays and backwaters, entering brackish water and to a limited extent, fresh water (Ref. 3814). Feed along the bottom, primarily on diatoms, worms and crustaceans by sucking in the prey with a pipetting action (Ref. 27549). Males build, guard and aerate the nest where the eggs are deposited (Ref. 205). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 20 October 2011 Ref. (130435)
|
| Threat to humans: |
harmless |
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