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State Fish
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Illinois Symbols
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Illinois State Fish
Bluegill
(Lepomis macrochirus)
Adopted in 1986.
In 1986, the bluegill, Lepomis macrochirus, was selected by school children as Illinois' state fish. Its name comes from the bright blue gill covers found on many males. This species is often called "bream" or "brim" especially in the southern states.
Description
The bluegill comes in many varieties and colors. The adult male bluegill is pale blue to greenish-yellow, while the female and young bluegill are grayish-green. Most bluegill are distinguished by six to eight dark vertical bands of color.
When breeding, male bluegill may turn yellow or orange on the throat and body. During this time, the male will build a nest in the sand or gravel at a depth of around 2 feet. The nest is a roundish depression in the ground about twice the size of the male who builds it. Females lay 2,000 to 67,000 eggs each which hatch in five to ten days. During this time the male seldom leaves the nest and guards the area vigorously.
Bluegills are generally carnivorous. Bluegill eat mostly insects like mayflies, damselflies and midges. Larger bluegill may eat freshwater shrimp, small crayfish and snails.
The average lifespan of a bluegill is around 5 to 6 years.
They are generally small to medium-sized fish. The largest one reported from Illinois weighed 1.6 kilograms (3 lb. 8oz.). More typically, one would weigh about 0.3 kilograms (12 oz.) and would be about 24 centimeters (9.5 in.) long. The record catch in Illinois is 3 pounds, 8 ounces, caught in 1987.
HabitatThe bluegill, Lepomis macrochirus, is a very common fish throughout the state. It is most abundant in clear lakes with large amounts of aquatic vegetaion. However, it occurs in a large variety of habitats including pools, overflow ponds, oxbows, swamps, and man-made impoundments. They often occur in small loose schools that have up to 20 to 30 individuals in them.
Bluegill continue to be a favorite of those who fish because they are found all over the state and can be caught year-round. Although a child's first catch is often a bluegill, some say these fish put up quite a fight.
Taxonomic Hierarchy
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| Kingdom |
Animalia -- animals |
| Phylum |
Chordata |
| Class |
Actinopterygii |
| Order |
Perciformes |
| Family |
Centrarchidae |
| Genus |
Lepomis |
| Species |
Lepomis macrochirus |
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State Fishes
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This is a list of official and *unofficial U.S. state fish:
The only states lacking a state fish as of 2008 are Arkansas, Indiana, Kansas, and Ohio.
fish ('fish)
n. pl. fish or fishˇes
1. Any of numerous cold-blooded aquatic vertebrates of the superclass Pisces, characteristically
having fins, gills, and a streamlined body and including specifically:
2. The flesh of such animals used as food.
3. Any of various primitive aquatic vertebrates of the class Cyclostomata, lacking jaws
and including the lampreys and hagfishes.
4. Any of various unrelated aquatic animals, such as a jellyfish, cuttlefish, or crayfish.
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