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bluegill

 
Dictionary: blue·gill   (blū'gĭl') pronunciation
 
n., pl. bluegill or -gills.

A common edible sunfish (Lepomis macrochirus) of North American lakes and streams.


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Lepomis macrochirus

FAMILY

Centrarchidae

TAXONOMY

Lepomis macrochirus Rafinesque, 1819, Ohio River, United States. Two or three subspecies are recognized.

OTHER COMMON NAMES

English: Bluegill sunfish, sunfish; German: Blauer Sonnenbarsch; Spanish: Pez sol.

PHYSICAL CHARACTERISTICS

Maximum total length 16 in (41 cm). Broad, rather flat fish with a small mouth. Distinguished from its relatives by an all-black opercular flap, general gray-blue coloration, a dark spot at the rear edge of the soft dorsal fin, and dark banding on the sides of the body.

DISTRIBUTION

Common in North America from southern Canada to northern Mexico; widely introduced throughout the world.

HABITAT

Freshwater, inland waters from large lakes to small ponds, also slow-moving streams. Prefers some type of cover, such as rocky or vegetated areas.

BEHAVIOR

Schooling fishes. Schools of several dozen smaller fishes ranging up to 4 in (10.2 cm) long are commonly seen along lake shores in 1–2 ft (0.3–0.6 m) of water, darting from beneath docks and boats. Larger fishes generally remain further from shore in deeper water. Cleaning behavior has been recorded for Florida populations.

FEEDING ECOLOGY AND DIET

Mainly diurnal feeders. Diet comprises invertebrates and small fishes.

REPRODUCTIVE BIOLOGY

Breeds in the late spring and early summer, when groups of males enter shallow water to begin building nests, which are depressions in the substrate. The male guards its nest. Females may also spawn with smaller males known as satellite and sneaker males, which take on the female coloration and fool nesting males into allowing them to approach and mate with females coming to the nest. Sneaker males may also lie in ambush in vegetation near a nesting male's site, wait for females to arrive, then quickly swim through the nest site, ejecting milt. The spherical, demersal eggs, which are laid singly or in small clusters, typically hatch in two to three days. Bluegills in the field typically attain sexual maturity at two to three years and about 4–5 in (10.2–12.7 cm) in length. Bluegills hybridize with pumpkinseeds and many other sunfish species.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS

Sport and minor commercial food and aquarium fishes.

 

Popular game fish (Lepomis macrochirus) and one of the best-known sunfishes throughout its original range, the freshwater habitats of the central and southern U.S. It has been introduced throughout the western U.S. and in other parts of the world. Bluegills are usually bluish or greenish and have a characteristic dark flap at the rear of the gill cover. Among the smallest of the food and game fishes, they normally are only 6 – 9 in. (15 – 23 cm) long and weigh less than 0.5 lbs (0.25 kg). Bluegills are known as highly spirited fighters on the end of a fishing line.

For more information on bluegill, visit Britannica.com.

 
WordNet: bluegill
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Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: important edible sunfish of eastern and central United States
  Synonym: Lepomis macrochirus


 
Wikipedia: Bluegill
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For the exoatmospheric nuclear test, refer to Bluegill (nuclear test).
Bluegill

Conservation status
Secure
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Centrarchidae
Genus: Lepomis
Species: L. macrochirus
Binomial name
Lepomis macrochirus
Rafinesque, 1819

The Bluegill (Lepomis macrochirus) is a species of freshwater fish sometimes referred to as bream, brim, or copper nose. It is a member of the sunfish family (family Centrarchidae) of order Perciformes. It is native to a wide area of North America, from Québec to northern Mexico, and has been widely transplanted to stock game fish for anglers. It is commonly fished in Minnesota, Michigan, Wisconsin, Texas, and Louisiana, and is the state fish of the U.S. state of Illinois. It is renowned as an excellent tasting fish. They are relatively common and easy to catch.[citation needed]

Of tropical sunfish body shape, the bluegill's most notable feature is the blue or black "ear", actually an extension of the gill cover called the opercular flap. Its name, however, comes from the bright blue edging visible on its gill rakers. It can be distinguished from similar species by the (not always pronounced) vertical bars along its flanks. The bluegill grows to a maximum overall length of approximately 40 cm (16 in).

Bluegills from Missouri

Bluegills are popular game fish, caught with live bait, flies, hot dogs, raw chicken, corn, small spoons, small crankbaits, spinners, or maggots. They mostly bite on vibrant colors like orange, yellow, or red, chiefly at dawn and dusk. Some of the easiest baits to use for them are earthworms, white bread, or a corn kernel. Another efficient bait would be redworms or waxworms on ice jigs. They are noted for seeking out underwater vegetation for cover; their natural diet consists largely of small invertebrates and very small fish. The Bluegill itself is also occasionally used as bait for larger game fish species such as blue catfish and largemouth bass. The bluegill is a schooling fish with schools of 20–30 individuals. These fish spawn in June in nests in the shallows. During this period males assume a very bold coloration, as they are guarding their nests. An interesting piece of their biology is that some males assume the coloration of the female fish so that the nest guarding males won't show aggression towards them. Then these "sneaker" males enter nests and spawn. Because of their size and the method of cooking them, bluegills are often called panfish.

[1] [2]

Bluegill from Lake Lanier, Landrum, SC. (Caught & Released, June 14, 2004)

They are notorious for their nibbling or pecking style of feeding and commonly steal bait off a fisherman's hook. They hit hard for their size, making it easy to tell when the angler has one on the line. Adult channel catfish, largemouth bass, northern pike, muskellunge, and turtles prey upon bluegill.This makes them excellent bait for catching catfish though you must properly cut them to fit the anglers size hook or the anglers intended sized fish.

In some locations where it has been transplanted, it is considered a pest: trade in the species is prohibited in Germany and Japan. In the case of Japan, bluegill were presented to the crown prince, Akihito in 1960 as a gift by Richard J. Daley, mayor of Chicago. The prince, in turn, donated the fish to fishery research agencies in Japan from which they escaped, becoming an invasive species which has wreaked havoc with native species. The emperor has apologized.[1]

The specific epithet, macrochirus, derives from the Greek μακρός (long) and χείρ (hand).

References

  1. ^ "Japan in culinary offensive to stop spread of US fish" report by Justin McCurry from Tokyo in The Guardian November 26, 2007
  • Rice, F. Philip (1964). America's Favorite Fishing-A Complete Guide to Angling for Panfish. New York: Harper Row. 
  • Malo, John (1981). Fly-Fishing for Panfish. Minneapolis, Minnesota: Dillon Press Inc.. ISBN 0875182089. 

 
 
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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Animal Encyclopedia. Grzimek's Animal Life Encyclopedia. Copyright © 2005 by The Gale Group, Inc. All rights reserved.  Read more
Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 2006 Encyclopædia Britannica, Inc. All rights reserved.  Read more
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Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Bluegill" Read more