Mummichog, Fundulus heteroclitus

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Distribution:

map

 

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