Biological Diversity

LITTLE GREEN HERON (Photo by Rick Warters)
  • The river itself is the only one known to support all 12 of the freshwater mussel species native to southern New England. The Farmington River may contain one of the New England’s most—and Connecticut’s only—viable dwarf wedge mussel populations, which is the only federally endangered freshwater mussel that occurs in New England.
  • There are 19 state-listed plant species within the corridor including the only known population of Dwarf bulrush in a river ecosystem, only known population of Purple giant hyssop in Connecticut and the corridor’s floodplain forest also supports nearly the entire population of starry campion in New England.
  • At least 25 species of finfish are present in Salmon Brook and 30 species in the lower Farmington River.
  • The Salmon Brook supports an exceptional recreational fishery starring native brown and brook trout.
  • Migratory fish such as American shad, blueback herring, alewife, American eel and Atlantic salmon have excellent spawning habitat in the lower Farmington corridor.
  • Salmon Brook exhibits basin-wide distribution of high-quality fish communities which is rare in Connecticut.
  • The mouth of the Farmington River where it meets the Connecticut River is the most diverse and one of the most important areas within New England in terms of fish resources. All 12 of the diadromous fish species thought to be present in the state are believed to be present at this location
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