Freshwater Fishes of Connecticut

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  • Sturgeons

    Learn about these huge, prehistoric fishes that are threatened and endangered in Connecticut.

  • White Crappie

    White crappie are so similar in appearance to black crappie that most Connecticut anglers probably do not recognize them as a separate species.

  • Bluntnose Minnow

    It is unclear how or when bluntnose minnows arrived in Connecticut.

  • Creek Chubsucker

    Creek chubsucker populations have reportedly declined in streams that are subject to siltation.

  • Creek Chub

    Closely related to fallfish, creek chubs build long ridges of gravel for nests.

  • Blacknose Dace

    Blacknose dace are a native minnow that prefer the pools and rocky riffles of small headwater streams.

  • How to Observe and Appreciate Fishes

    Learn about all the ways you can watch Connecticut's many freshwater fishes!

  • Pupfishes

    The pupfishes and killifishes are very similar and were once included in the same family.

  • Banded Killifish

    Prefer shallow, still areas of lakes and ponds and slow-flow areas of larger rivers and streams.

  • Longnose Sucker

    Recent attempts to find longnose suckers in Connecticut have failed.

  • Silversides

    Two estuarine/marine species of silversides exist in Connecticut. Both are schooling fish that occasionally enter freshwater areas of coastal rivers and streams.

  • Fathead Minnow

    A popular baitfish, fathead minnows can be found at low abundance almost anywhere in Connecticut.

  • Fallfish

    Our largest minnow species, the fallfish, is misidentified by many as trout or "dace".

  • Central Mudminnow

    Although central mudminnows look superficially like minnows or killifish, they are actually more closely related to pickerel and pike.

  • Families of Connecticut Freshwater Fishes

    Learn the defining characteristics of Connecticut's freshwater fish families!