Bruce Rauner, Governor

DNR Links Skip to Content Skip to State Links

 IDNR Home
 Agency Offices
 Disabled Outdoors
 Freedom of Information Act
 Get Involved
 Grant Info
 Great Lakes Restoration
 License / Permit / Register
 Kids & Education
 Law Enforcement
 Mandatory Safety Programs
 Lodges / Leasing
 More Links
 Outdoor Recreation
 Parks & Recreation
 Press Releases
 State Museums
 World Shooting & Recreational Complex
 DNR A to Z


  Family Fundulidae  

Family Fundulidae--Topminnow Family

Often found swimming near the surface, these fishes are easy to observe. Topminnows are small fishes with large eyes, a flattened head and back, upturned mouth, one dorsal fin far back on the body and no lateral line.

northern studfish--Fundulus catenatus
banded killifish--Fundulus diaphanus [state threatened]
northern starhead topminnow--Fundulus dispar

blackstripe topminnow -- Fundulus notatus
The blackstripe topminnow has a broad, blue-black stripe along its midside and a silver-white spot on the top of its head. The front of the dorsal fin base is located above the anal fin base. This small (to three inches) fish is found in rivers, streams, ponds and lakes. Feeding occurs in morning, late afternoon and evening. Terrestrial insects make up a large portion of the diet, with aquatic insects, crustaceans, snails and algae also eaten. Spawning occurs in the summer. Eggs are deposited singly on vegetation. blackspotted topminnow--Fundulus olivaceus


Return to Illinois Fishes Families/Species

Return to Home Page

Kids & Education

 New This Month
 Online Order Form
 Student Pages

Copyrightę 2015 Department of Natural Resources
Accessibility    Contact    FAQs    Podcasts    Privacy    Social Networking