Freshwater · Saltwater Fish of Connecticut
Killifishes
Fundulidae & Cyprinodontidae
Also called: Banded Killifish, Mummichog, Rainwater Killifish, Sheepshead Minnow, Spotfin Killifish, Striped Killifish
Identification
Small fish with upturned mouths and rounded or squared tails. Markings vary by species and sex, including vertical bars, spots, blue iridescence, and orange or yellow fins.
Habitat
Shallow freshwater margins, tidal creeks, salt marshes, and coastal shorelines. Banded Killifish primarily inhabit freshwater; the other members shown are associated mainly with coastal or brackish habitats.
Behavior
Usually remain in shallow water, feeding on small aquatic animals. Males and females often differ in coloration and markings.
How to Catch
Identify the species before collecting or using it as bait, and check current Connecticut requirements.
Notes
Sheepshead Minnow belongs to Cyprinodontidae, the pupfish family. The other species shown belong to Fundulidae. They are combined here for convenient identification.