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In Connecticut, the redbreast sunfish typically outnumbers other sunfish species only in river environments.
The state's only parasitic fish to enter freshwater, the sea lamprey gets a bad reputation. Learn more about this fascinating fish.
Public and Permit-Required Hunting Areas
Information on public and permit-required hunting areas for 2025.
Due to their hard-fighting abilities, smallmouths are considered by many to be superior gamefish to largemouths.
Learn about the shortnose sturgeon, a state and federally endangered species that call the CT River home.
The sheepshead minnow is a standard for use in many laboratory toxicity and genetics studies.
Sculpins are sensitive to environmental degradation, requiring good-quality, coldwater streams to survive.
Due to their small size, spotfin killifish are difficult to identify and often mistaken for young mummichog.
Typically the most abundant fish species in larger rivers, the spottail shiner is a very important forage fish.
Four native stickleback species are found predominantly in marine and sometimes fresh waters of Connecticut. The males build and guard nests made out of aquatic vegetation, and they become darker and/or more brightly colored during the spawning season.
This is the largest killifish species in Connecticut and the least tolerant of fresh water.
Two estuarine/marine species of silversides exist in Connecticut. Both are schooling fish that occasionally enter freshwater areas of coastal rivers and streams.
Relatively small, silvery fishes with a very slender, cylindrical shape.
Smelt are important forage fish for large pelagic predators such as striped bass in estuaries and brown trout in lakes.
Rainbow trout seldom survive the summer in Connecticut and natural reproduction is rare.