Freshwater
Page 2 of 9
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Make a home aquarium with the beautiful native and introduced freshwater fishes of Connecticut!
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Blueback herring and alewives are so similar that the color of the gut lining (peritoneum) is the only sure way to tell them apart.
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Blacknose dace are a native minnow that prefer the pools and rocky riffles of small headwater streams.
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Due to their small size, spotfin killifish are difficult to identify and often mistaken for young mummichog.
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Both marine and freshwater killifishes are distributed throughout Central and Eastern North America from southern Canada to the Yucatan, including Cuba and Bermuda.
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Learn about these huge, prehistoric fishes that are threatened and endangered in Connecticut.
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One of our most colorful freshwater fishes.
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White crappie are so similar in appearance to black crappie that most Connecticut anglers probably do not recognize them as a separate species.
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Also known as “tidewater” silverside. They are less common than and very difficult to distinguish from the Atlantic silverside without magnification.
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Sunfishes and Freshwater Basses
There are eleven sunfish species in Connecticut, only three of which are native.
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All North American members of the family are important gamefish, and some support significant commercial fisheries.
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Learn all about common carp, one of Connecticut's biggest and hardest fighting fish!
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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.
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Connecticut’s smallest pike species. They are typically mistaken for small chain pickerel by anglers.
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Catfish and bullheads have eight barbels around the mouth: two off the snout, two off the corners of the mouth, and four under the chin. These long barbels give the impression of whiskers, hence the name “catfishes.”