Freshwater

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• Housatonic River

  Information about fishing the Housatonic River

• Knobfin Sculpin

  A newly discovered invasive species, the knobfin sculpin has had a devastating impact on the Pomperaug River ecosystem.

• Western Mosquitofish

  Western Mosquitofish have been widely introduced across the globe as a biocontrol with mixed results.

• Eastern Mosquitofish

  The Eastern Mosquitofish has been widely introduced as a biocontrol with mixed results.

• Mosquitofishes

  An introduction to mosquitofishes in Connecticut.

• Sheepshead Minnow

  The sheepshead minnow is a standard for use in many laboratory toxicity and genetics studies.

• Killifishes

  Both marine and freshwater killifishes are distributed throughout Central and Eastern North America from southern Canada to the Yucatan, including Cuba and Bermuda.

• Spotfin Killifish

  Due to their small size, spotfin killifish are difficult to identify and often mistaken for young mummichog.

• Striped Killifish

  This is the largest killifish species in Connecticut and the least tolerant of fresh water.

• White Sucker

  The white sucker is arguably our most important fish species.

• Smelts

  Relatively small, silvery fishes with a very slender, cylindrical shape.

• Bridle Shiner

  This easily overlooked minnow, the bridle shiner, is apparently declining throughout much of its range.

• Common Carp

  Learn all about common carp, one of Connecticut's biggest and hardest fighting fish!

• Golden Shiner

  Commonly sold as bait, the golden shiner is our most common lake and pond minnow species.

• Alewife

  Anadromous alewives are important forage fish for large gamefish such as striped bass and bluefish as well as many other animals, including osprey and marine mammals.