Families of Connecticut Freshwater Fishes

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A period of extremely frigid temperatures is forecast to impact Connecticut between the afternoon of Saturday, December 21, through Tuesday, December 24. Governor Lamont is activating the state's severe cold weather protocol during this period. To locate a shelter or warming center in Connecticut, call 2-1-1 or visit 211ct.org.

Guide to Families of Connecticut Freshwater Fishes

Lampreys (Petromyzontidae)

Lamprey characteristics.

Freshwater Eels (Anguilidae)

Freshwater eel characteristics.

Sturgeons (Acipenseridae)

Sturgeon characteristics.

Bowfins (Amiidae)

Bowfin characteristics.

Trouts and Salmons (Salmonidae)

Trout and salmon characteristics.

Smelts (Osmeridae)

Smelt characteristics.

Suckers (Catostomidae)

Sucker characteristics.

Minnows and Carps (Cyprinidae)

Minnow and carp characteristics.

Mudminnows (Umbridae)

Mudminnow characteristics.

Silversides (Atherinopsidae)

Silverside characteristics.

Killifishes (Fundulidae)

Killifish characteristics.

Pupfishes (Cyprinodontidae)

Pupfish characteristics.

Herrings (Clupeidae)

Herring characteristics.

Pike and Pickerel (Esocidae)

Pike and pickerel characteristics.

Codfishes (Gadidae)

Codfish characteristics.

Catfishes and Bullheads (Ictaluridae)

Catfish and bullhead characteristics.

Sunfishes and Freshwater Bass (Centrarchidae)

Sunfish and freshwater bass characteristics.

Temperate Basses (Moronidae)

Temperate bass characteristics.

Perches and Darters (Percidae)

Perch and darter characteristics.

Sculpins (Cottidae)

Sculpin characteristics.

Sticklebacks (Gasterosteidae)

Stickleback characteristics.

American Soles (Achiridae)

American sole characteristics.

Mullets (Mugilidae)

Mullet characteristics.

Text and images adapted from Jacobs, R. P., O'Donnell, E. B., and Connecticut DEEP. (2009). A Pictorial Guide to Freshwater Fishes of Connecticut. Hartford, CT. Available for purchase at the DEEP Store.