Bluegill can mature sexually at about 4 inches long. Species scientific name: Lepomis macrochirus x Lepomis microlophus Average Life: 4-8 years Largest on Record: 4 pounds, 12 ounces, 15" long x 18 and 1/4" girth Diet: Invertebrates, Small Aquatic Insects, and very small Fish. Temperature affects not only growth, but also survival. The Coppernose is outstanding for stocking lakes & ponds. Young Hybrid Bluegill are putting their growth into body size, not reproduction, so allowing large males to survive lets them eat the smaller fish, thereby increasing their growth rate. Slower growth rates than those above likely mean your BG are likely not getting enough food and/or they are probably too crowded! Most often Bluegill will require some control measures to prevent excessive reproduction or stunting. It is not a hybrid. Abundant food grows fish quickly. Hybrid Bluegill need the Minnows for food, unless you supplement daily with feed. A true hybrid will grow more rapidly than a regular bluegill. The coppernose bluegill is a subspecies of the common bluegill. First, I want to discuss a few details about Bluegill and Hybrid Bluegill. Bluegill will … Bluegill fingerlings should be stocked into new or renovated ponds at a rate of 1,000-2,000 per acre from October through March. Hybrid Bluegill Facts. You can catch and release these Hybrid Bluegills several times. The hybrid bluegill is the result of a cross between a male bluegill and a female green sunfish, resulting in a fish that appears much like its male parent with an oval body and pointed pectoral fins, but it has a distinguishing deep yellow to orange color belly. Once bluegill are adults, proper harvest to control their numbers is important to continue growing big, feisty bluegills. The Hybrid Bluegill is a cross between a green sunfish and a regular bluegill. Too many fish REDUCES amounts of available food per fish. Research by fisheries scientists in several states concluded that the coppernose indeed are faster growing and more hardier than the common bluegill. In other words, they grow rapidly until they spawn, at which time growth slows. It also has a slightly larger mouth than the standard bluegill and will be more aggressive than its pure bluegill parent. They demonstrate what is termed hybrid vigor, in other words aggressive feeding behavior. Desirable traits of hybrid bluegill include faster growth rate and larger maximum size than regular bluegill. So the growth of other fish is diminished by the hybrids aggressive behavior. If they are allowed to spawn, their growth decelerates significantly at that point. Bluegill tend to do very well in Wisconsin in terms of reproduction and growth. Bluegill eggs hatch at temperatures ranging from 73 to 93 ºF (23 to 34 ºC). The Hybrid Bluegill option is best suited for smaller ponds (two acres or less). Easiest fish for kids to catch. The growth rate is exceptional compared to the common bluegill (native bream). Find out more about stocking Coppernose Bluegill or other fish in … They out compete their fellow pond inhabitants for the available food. The coppernose is not a "hybrid". The highest specific growth rate (SGR), 2.35 percent per day, was recorded at 86 ºF (30 ºC). Native to Florida and southeast Georgia, it has a range similar to that of the Florida largemouth bass. Bluegill spawn multiple times throughout the Summer; from April, usually when the first spawn happens though it might happen in March for you, through September a pond could have four or five spawns. Those fingerlings are from a late-summer spawn last year. The maximum hatch rate for bluegill eggs occurs at 72 to 75 ºF (22 to 24 ºC); this range is similar for hybrids. These fish are similar to a regular bluegill, however they grow at a quicker rate and get a larger size. 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