Mummichog, Fundulus heteroclitus
DISTRIBUTION:
DESCRIPTION: Gill rakers usually 9 or more, crowded and not obvious; branchiostegal rays
5,5, rarely 6,6; distance from origin of dorsal fin to end of vertebral column,
when stepped forward from dorsal fin origin, reaches to posterior half of
operculum.
SIMILAR SPECIES: Banded Killifish