Ok, Just to simplify things, lets make a thread that lists illegal fish state by state. I will start:
Illinois Illegal fish
*Snakeheads (including, but not limited to, all fishes of the genera Channa and Parachanna, and others of the family Channidae)
*Fish or viable eggs of the Walking Catfish, Clariidae family
*Mollusks, veligers, or viable eggs of zebra mussels, genus Dreissena
*Crustaceans or viable eggs of mitten crabs, genus Eriocheir
*River Ruffe (Gymnocephalus cernuus)
* Silver Carp (Hypophthalmichthys molitrix)
* Big Head Carp ((Hypophthalmichthys nobilis)
* Black Carp (Mylopharyngodon piceus)
* Gobies (round, tubenose)(Neogobius melanostomus, Proterorhinus marmotratus)
*Rusty Crayfish (Orconectes rusticus) Possession of living rusty crayfish is prohibited for all except the holders of an approved aquaculture permit with a letter of authorization to import/possess this species.
*Rudd (Scardinius erthrophthelmus)
FEDERAL
Endangered
Acipenser fulvescens Lake Sturgeon
Ammocrypta clarum Western Sand Darter
Etheostoma camurum Bluebreast Darter
Etheostoma histrio Harlequin Darter
Hybognathus hayi Cypress Minnow
Hybopsis amblops Bigeye Chub
Hybopsis amnis Pallid Shiner
Ichthyomyzon fossor Northern Brook Lamprey
Macrhybopsis gelida Sturgeon Chub
Moxostoma valenciennesi Greater Redhorse
Nocomis micropogon River Chub
Notropis anogenus Pugnose Shiner
Notropis boops Bigeye Shiner
Notropis heterolepis Blacknose Shiner
Notropis maculatus Taillight Shiner
Notropis texanus Weed Shiner
Noturus stigmosus Northern Madtom
Scaphirhynchus albus Pallid Sturgeon**
Threatened
Ammocrypta pellucidum Eastern Sand Darter
Catostomus catostomus Longnose Sucker
Coregonus artedi Cisco
Erimystax x-punctatus Gravel Chub
Etheostoma exile Iowa Darter
Fundulus diaphanus Banded Killifish
Fundulus dispar Starhead Topminnow
Lampetra aepyptera Least Brook Lamprey
Lepomis miniatus Redspotted Sunfish
Lepomis symmetricus Bantam Sunfish
Moxostoma carinatum River Redhorse
Notropis chalybaeus Ironcolor Shiner
Notropis heterodon Blackchin Shiner